80570900

素因数分解:

$2^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{4943}}^1$

素因数の和:5120

約数の個数: 36

約数和(自身を含む): 175947072

約数和(自身を除く): 95376172

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 163, 326, 652, 815, 1630, 3260, 4075, 4943, 8150, 9886, 16300, 19772, 24715, 49430, 98860, 123575, 247150, 494300, 805709, 1611418, 3222836, 4028545, 8057090, 16114180, 20142725, 40285450, 80570900]

約数ペア:

[(1, 80570900), (2, 40285450), (4, 20142725), (5, 16114180), (10, 8057090), (20, 4028545), (25, 3222836), (50, 1611418), (100, 805709), (163, 494300), (326, 247150), (652, 123575), (815, 98860), (1630, 49430), (3260, 24715), (4075, 19772), (4943, 16300), (8150, 9886)]