40649920

素因数分解:

$2^6\times 5^1\times {\mathrm{127031}}^1$

素因数の和:127048

約数の個数: 28

約数和(自身を含む): 96798384

約数和(自身を除く): 56148464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 127031, 254062, 508124, 635155, 1016248, 1270310, 2032496, 2540620, 4064992, 5081240, 8129984, 10162480, 20324960, 40649920]

約数ペア:

[(1, 40649920), (2, 20324960), (4, 10162480), (5, 8129984), (8, 5081240), (10, 4064992), (16, 2540620), (20, 2032496), (32, 1270310), (40, 1016248), (64, 635155), (80, 508124), (160, 254062), (320, 127031)]