88781240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:852

約数の個数: 64

約数和(自身を含む): 207567360

約数和(自身を除く): 118786120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 142, 172, 215, 284, 344, 355, 430, 568, 710, 727, 860, 1420, 1454, 1720, 2840, 2908, 3053, 3635, 5816, 6106, 7270, 12212, 14540, 15265, 24424, 29080, 30530, 31261, 51617, 61060, 62522, 103234, 122120, 125044, 156305, 206468, 250088, 258085, 312610, 412936, 516170, 625220, 1032340, 1250440, 2064680, 2219531, 4439062, 8878124, 11097655, 17756248, 22195310, 44390620, 88781240]

約数ペア:

[(1, 88781240), (2, 44390620), (4, 22195310), (5, 17756248), (8, 11097655), (10, 8878124), (20, 4439062), (40, 2219531), (43, 2064680), (71, 1250440), (86, 1032340), (142, 625220), (172, 516170), (215, 412936), (284, 312610), (344, 258085), (355, 250088), (430, 206468), (568, 156305), (710, 125044), (727, 122120), (860, 103234), (1420, 62522), (1454, 61060), (1720, 51617), (2840, 31261), (2908, 30530), (3053, 29080), (3635, 24424), (5816, 15265), (6106, 14540), (7270, 12212)]