172321840

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{12451}}^1$

素因数の和:12637

約数の個数: 40

約数和(自身を含む): 402996528

約数和(自身を除く): 230674688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 6920, 12451, 13840, 24902, 49804, 62255, 99608, 124510, 199216, 249020, 498040, 996080, 2154023, 4308046, 8616092, 10770115, 17232184, 21540230, 34464368, 43080460, 86160920, 172321840]

約数ペア:

[(1, 172321840), (2, 86160920), (4, 43080460), (5, 34464368), (8, 21540230), (10, 17232184), (16, 10770115), (20, 8616092), (40, 4308046), (80, 2154023), (173, 996080), (346, 498040), (692, 249020), (865, 199216), (1384, 124510), (1730, 99608), (2768, 62255), (3460, 49804), (6920, 24902), (12451, 13840)]