100488040

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{3907}}^1$

素因数の和:4561

約数の個数: 32

約数和(自身を含む): 226507680

約数和(自身を除く): 126019640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3215, 3907, 5144, 6430, 7814, 12860, 15628, 19535, 25720, 31256, 39070, 78140, 156280, 2512201, 5024402, 10048804, 12561005, 20097608, 25122010, 50244020, 100488040]

約数ペア:

[(1, 100488040), (2, 50244020), (4, 25122010), (5, 20097608), (8, 12561005), (10, 10048804), (20, 5024402), (40, 2512201), (643, 156280), (1286, 78140), (2572, 39070), (3215, 31256), (3907, 25720), (5144, 19535), (6430, 15628), (7814, 12860)]