63994240

素因数分解:

$2^7\times 5^1\times {\mathrm{99991}}^1$

素因数の和:100010

約数の個数: 32

約数和(自身を含む): 152987760

約数和(自身を除く): 88993520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 99991, 199982, 399964, 499955, 799928, 999910, 1599856, 1999820, 3199712, 3999640, 6399424, 7999280, 12798848, 15998560, 31997120, 63994240]

約数ペア:

[(1, 63994240), (2, 31997120), (4, 15998560), (5, 12798848), (8, 7999280), (10, 6399424), (16, 3999640), (20, 3199712), (32, 1999820), (40, 1599856), (64, 999910), (80, 799928), (128, 499955), (160, 399964), (320, 199982), (640, 99991)]