55385840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1038

約数の個数: 80

約数和(自身を含む): 138848256

約数和(自身を除く): 83462416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 460, 496, 620, 713, 920, 971, 1240, 1426, 1840, 1942, 2480, 2852, 3565, 3884, 4855, 5704, 7130, 7768, 9710, 11408, 14260, 15536, 19420, 22333, 28520, 30101, 38840, 44666, 57040, 60202, 77680, 89332, 111665, 120404, 150505, 178664, 223330, 240808, 301010, 357328, 446660, 481616, 602020, 692323, 893320, 1204040, 1384646, 1786640, 2408080, 2769292, 3461615, 5538584, 6923230, 11077168, 13846460, 27692920, 55385840]

約数ペア:

[(1, 55385840), (2, 27692920), (4, 13846460), (5, 11077168), (8, 6923230), (10, 5538584), (16, 3461615), (20, 2769292), (23, 2408080), (31, 1786640), (40, 1384646), (46, 1204040), (62, 893320), (80, 692323), (92, 602020), (115, 481616), (124, 446660), (155, 357328), (184, 301010), (230, 240808), (248, 223330), (310, 178664), (368, 150505), (460, 120404), (496, 111665), (620, 89332), (713, 77680), (920, 60202), (971, 57040), (1240, 44666), (1426, 38840), (1840, 30101), (1942, 28520), (2480, 22333), (2852, 19420), (3565, 15536), (3884, 14260), (4855, 11408), (5704, 9710), (7130, 7768)]