63704980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{77689}}^1$

素因数の和:77739

約数の個数: 24

約数和(自身を含む): 137045160

約数和(自身を除く): 73340180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 77689, 155378, 310756, 388445, 776890, 1553780, 3185249, 6370498, 12740996, 15926245, 31852490, 63704980]

約数ペア:

[(1, 63704980), (2, 31852490), (4, 15926245), (5, 12740996), (10, 6370498), (20, 3185249), (41, 1553780), (82, 776890), (164, 388445), (205, 310756), (410, 155378), (820, 77689)]