64015240

素因数分解:

$2^3\times 5^1\times {\mathrm{751}}^1\times {\mathrm{2131}}^1$

素因数の和:2893

約数の個数: 32

約数和(自身を含む): 144293760

約数和(自身を除く): 80278520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 751, 1502, 2131, 3004, 3755, 4262, 6008, 7510, 8524, 10655, 15020, 17048, 21310, 30040, 42620, 85240, 1600381, 3200762, 6401524, 8001905, 12803048, 16003810, 32007620, 64015240]

約数ペア:

[(1, 64015240), (2, 32007620), (4, 16003810), (5, 12803048), (8, 8001905), (10, 6401524), (20, 3200762), (40, 1600381), (751, 85240), (1502, 42620), (2131, 30040), (3004, 21310), (3755, 17048), (4262, 15020), (6008, 10655), (7510, 8524)]