40884160

素因数分解:

$2^6\times 5^1\times {\mathrm{127763}}^1$

素因数の和:127780

約数の個数: 28

約数和(自身を含む): 97356168

約数和(自身を除く): 56472008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 127763, 255526, 511052, 638815, 1022104, 1277630, 2044208, 2555260, 4088416, 5110520, 8176832, 10221040, 20442080, 40884160]

約数ペア:

[(1, 40884160), (2, 20442080), (4, 10221040), (5, 8176832), (8, 5110520), (10, 4088416), (16, 2555260), (20, 2044208), (32, 1277630), (40, 1022104), (64, 638815), (80, 511052), (160, 255526), (320, 127763)]