139746640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{158803}}^1$

素因数の和:158827

約数の個数: 40

約数和(自身を含む): 354450528

約数和(自身を除く): 214703888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 158803, 317606, 635212, 794015, 1270424, 1588030, 1746833, 2540848, 3176060, 3493666, 6352120, 6987332, 8734165, 12704240, 13974664, 17468330, 27949328, 34936660, 69873320, 139746640]

約数ペア:

[(1, 139746640), (2, 69873320), (4, 34936660), (5, 27949328), (8, 17468330), (10, 13974664), (11, 12704240), (16, 8734165), (20, 6987332), (22, 6352120), (40, 3493666), (44, 3176060), (55, 2540848), (80, 1746833), (88, 1588030), (110, 1270424), (176, 794015), (220, 635212), (440, 317606), (880, 158803)]