259926320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{643}}^1$

素因数の和:850

約数の個数: 80

約数和(自身を含む): 628626432

約数和(自身を除く): 368700112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 163, 248, 310, 326, 496, 620, 643, 652, 815, 1240, 1286, 1304, 1630, 2480, 2572, 2608, 3215, 3260, 5053, 5144, 6430, 6520, 10106, 10288, 12860, 13040, 19933, 20212, 25265, 25720, 39866, 40424, 50530, 51440, 79732, 80848, 99665, 101060, 104809, 159464, 199330, 202120, 209618, 318928, 398660, 404240, 419236, 524045, 797320, 838472, 1048090, 1594640, 1676944, 2096180, 3249079, 4192360, 6498158, 8384720, 12996316, 16245395, 25992632, 32490790, 51985264, 64981580, 129963160, 259926320]

約数ペア:

[(1, 259926320), (2, 129963160), (4, 64981580), (5, 51985264), (8, 32490790), (10, 25992632), (16, 16245395), (20, 12996316), (31, 8384720), (40, 6498158), (62, 4192360), (80, 3249079), (124, 2096180), (155, 1676944), (163, 1594640), (248, 1048090), (310, 838472), (326, 797320), (496, 524045), (620, 419236), (643, 404240), (652, 398660), (815, 318928), (1240, 209618), (1286, 202120), (1304, 199330), (1630, 159464), (2480, 104809), (2572, 101060), (2608, 99665), (3215, 80848), (3260, 79732), (5053, 51440), (5144, 50530), (6430, 40424), (6520, 39866), (10106, 25720), (10288, 25265), (12860, 20212), (13040, 19933)]