68463680

素因数分解:

$2^6\times 5^1\times {\mathrm{213949}}^1$

素因数の和:213966

約数の個数: 28

約数和(自身を含む): 163029900

約数和(自身を除く): 94566220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 213949, 427898, 855796, 1069745, 1711592, 2139490, 3423184, 4278980, 6846368, 8557960, 13692736, 17115920, 34231840, 68463680]

約数ペア:

[(1, 68463680), (2, 34231840), (4, 17115920), (5, 13692736), (8, 8557960), (10, 6846368), (16, 4278980), (20, 3423184), (32, 2139490), (40, 1711592), (64, 1069745), (80, 855796), (160, 427898), (320, 213949)]