163949360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{120551}}^1$

素因数の和:120581

約数の個数: 40

約数和(自身を含む): 403608096

約数和(自身を除く): 239658736

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 120551, 241102, 482204, 602755, 964408, 1205510, 1928816, 2049367, 2411020, 4098734, 4822040, 8197468, 9644080, 10246835, 16394936, 20493670, 32789872, 40987340, 81974680, 163949360]

約数ペア:

[(1, 163949360), (2, 81974680), (4, 40987340), (5, 32789872), (8, 20493670), (10, 16394936), (16, 10246835), (17, 9644080), (20, 8197468), (34, 4822040), (40, 4098734), (68, 2411020), (80, 2049367), (85, 1928816), (136, 1205510), (170, 964408), (272, 602755), (340, 482204), (680, 241102), (1360, 120551)]