80824250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{1913}}^1$

素因数の和:1956

約数の個数: 48

約数和(自身を含む): 163922616

約数和(自身を除く): 83098366

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 169, 250, 325, 338, 650, 845, 1625, 1690, 1913, 3250, 3826, 4225, 8450, 9565, 19130, 21125, 24869, 42250, 47825, 49738, 95650, 124345, 239125, 248690, 323297, 478250, 621725, 646594, 1243450, 1616485, 3108625, 3232970, 6217250, 8082425, 16164850, 40412125, 80824250]

約数ペア:

[(1, 80824250), (2, 40412125), (5, 16164850), (10, 8082425), (13, 6217250), (25, 3232970), (26, 3108625), (50, 1616485), (65, 1243450), (125, 646594), (130, 621725), (169, 478250), (250, 323297), (325, 248690), (338, 239125), (650, 124345), (845, 95650), (1625, 49738), (1690, 47825), (1913, 42250), (3250, 24869), (3826, 21125), (4225, 19130), (8450, 9565)]