64450480

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4451}}^1$

素因数の和:4645

約数の個数: 40

約数和(自身を含む): 150709104

約数和(自身を除く): 86258624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 4451, 7240, 8902, 14480, 17804, 22255, 35608, 44510, 71216, 89020, 178040, 356080, 805631, 1611262, 3222524, 4028155, 6445048, 8056310, 12890096, 16112620, 32225240, 64450480]

約数ペア:

[(1, 64450480), (2, 32225240), (4, 16112620), (5, 12890096), (8, 8056310), (10, 6445048), (16, 4028155), (20, 3222524), (40, 1611262), (80, 805631), (181, 356080), (362, 178040), (724, 89020), (905, 71216), (1448, 44510), (1810, 35608), (2896, 22255), (3620, 17804), (4451, 14480), (7240, 8902)]