64541240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{55639}}^1$

素因数の和:55679

約数の個数: 32

約数和(自身を含む): 150228000

約数和(自身を除く): 85686760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 55639, 111278, 222556, 278195, 445112, 556390, 1112780, 1613531, 2225560, 3227062, 6454124, 8067655, 12908248, 16135310, 32270620, 64541240]

約数ペア:

[(1, 64541240), (2, 32270620), (4, 16135310), (5, 12908248), (8, 8067655), (10, 6454124), (20, 3227062), (29, 2225560), (40, 1613531), (58, 1112780), (116, 556390), (145, 445112), (232, 278195), (290, 222556), (580, 111278), (1160, 55639)]