16115431840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{163}}^1\times {\mathrm{643}}^1$

素因数の和:883

約数の個数: 144

約数和(自身を含む): 39643388064

約数和(自身を除く): 23527956224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 163, 248, 310, 326, 496, 620, 643, 652, 815, 961, 992, 1240, 1286, 1304, 1630, 1922, 2480, 2572, 2608, 3215, 3260, 3844, 4805, 4960, 5053, 5144, 5216, 6430, 6520, 7688, 9610, 10106, 10288, 12860, 13040, 15376, 19220, 19933, 20212, 20576, 25265, 25720, 26080, 30752, 38440, 39866, 40424, 50530, 51440, 76880, 79732, 80848, 99665, 101060, 102880, 104809, 153760, 156643, 159464, 161696, 199330, 202120, 209618, 313286, 318928, 398660, 404240, 419236, 524045, 617923, 626572, 637856, 783215, 797320, 808480, 838472, 1048090, 1235846, 1253144, 1566430, 1594640, 1676944, 2096180, 2471692, 2506288, 3089615, 3132860, 3189280, 3249079, 3353888, 4192360, 4943384, 5012576, 6179230, 6265720, 6498158, 8384720, 9886768, 12358460, 12531440, 12996316, 16245395, 16769440, 19773536, 24716920, 25062880, 25992632, 32490790, 49433840, 51985264, 64981580, 98867680, 100721449, 103970528, 129963160, 201442898, 259926320, 402885796, 503607245, 519852640, 805771592, 1007214490, 1611543184, 2014428980, 3223086368, 4028857960, 8057715920, 16115431840]

約数ペア:

[(1, 16115431840), (2, 8057715920), (4, 4028857960), (5, 3223086368), (8, 2014428980), (10, 1611543184), (16, 1007214490), (20, 805771592), (31, 519852640), (32, 503607245), (40, 402885796), (62, 259926320), (80, 201442898), (124, 129963160), (155, 103970528), (160, 100721449), (163, 98867680), (248, 64981580), (310, 51985264), (326, 49433840), (496, 32490790), (620, 25992632), (643, 25062880), (652, 24716920), (815, 19773536), (961, 16769440), (992, 16245395), (1240, 12996316), (1286, 12531440), (1304, 12358460), (1630, 9886768), (1922, 8384720), (2480, 6498158), (2572, 6265720), (2608, 6179230), (3215, 5012576), (3260, 4943384), (3844, 4192360), (4805, 3353888), (4960, 3249079), (5053, 3189280), (5144, 3132860), (5216, 3089615), (6430, 2506288), (6520, 2471692), (7688, 2096180), (9610, 1676944), (10106, 1594640), (10288, 1566430), (12860, 1253144), (13040, 1235846), (15376, 1048090), (19220, 838472), (19933, 808480), (20212, 797320), (20576, 783215), (25265, 637856), (25720, 626572), (26080, 617923), (30752, 524045), (38440, 419236), (39866, 404240), (40424, 398660), (50530, 318928), (51440, 313286), (76880, 209618), (79732, 202120), (80848, 199330), (99665, 161696), (101060, 159464), (102880, 156643), (104809, 153760)]