71877220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{115931}}^1$

素因数の和:115971

約数の個数: 24

約数和(自身を含む): 155812608

約数和(自身を除く): 83935388

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 115931, 231862, 463724, 579655, 1159310, 2318620, 3593861, 7187722, 14375444, 17969305, 35938610, 71877220]

約数ペア:

[(1, 71877220), (2, 35938610), (4, 17969305), (5, 14375444), (10, 7187722), (20, 3593861), (31, 2318620), (62, 1159310), (124, 579655), (155, 463724), (310, 231862), (620, 115931)]