127051640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{102461}}^1$

素因数の和:102503

約数の個数: 32

約数和(自身を含む): 295090560

約数和(自身を除く): 168038920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 102461, 204922, 409844, 512305, 819688, 1024610, 2049220, 3176291, 4098440, 6352582, 12705164, 15881455, 25410328, 31762910, 63525820, 127051640]

約数ペア:

[(1, 127051640), (2, 63525820), (4, 31762910), (5, 25410328), (8, 15881455), (10, 12705164), (20, 6352582), (31, 4098440), (40, 3176291), (62, 2049220), (124, 1024610), (155, 819688), (248, 512305), (310, 409844), (620, 204922), (1240, 102461)]