27565820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 60334848

約数和(自身を除く): 32769028

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 173, 257, 310, 346, 514, 620, 692, 865, 1028, 1285, 1730, 2570, 3460, 5140, 5363, 7967, 10726, 15934, 21452, 26815, 31868, 39835, 44461, 53630, 79670, 88922, 107260, 159340, 177844, 222305, 444610, 889220, 1378291, 2756582, 5513164, 6891455, 13782910, 27565820]

約数ペア:

[(1, 27565820), (2, 13782910), (4, 6891455), (5, 5513164), (10, 2756582), (20, 1378291), (31, 889220), (62, 444610), (124, 222305), (155, 177844), (173, 159340), (257, 107260), (310, 88922), (346, 79670), (514, 53630), (620, 44461), (692, 39835), (865, 31868), (1028, 26815), (1285, 21452), (1730, 15934), (2570, 10726), (3460, 7967), (5140, 5363)]