72509240

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{6451}}^1$

素因数の和:6743

約数の個数: 32

約数和(自身を含む): 163751760

約数和(自身を除く): 91242520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 6451, 11240, 12902, 25804, 32255, 51608, 64510, 129020, 258040, 1812731, 3625462, 7250924, 9063655, 14501848, 18127310, 36254620, 72509240]

約数ペア:

[(1, 72509240), (2, 36254620), (4, 18127310), (5, 14501848), (8, 9063655), (10, 7250924), (20, 3625462), (40, 1812731), (281, 258040), (562, 129020), (1124, 64510), (1405, 51608), (2248, 32255), (2810, 25804), (5620, 12902), (6451, 11240)]