828376420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1336091}}^1$

素因数の和:1336131

約数の個数: 24

約数和(自身を含む): 1795707648

約数和(自身を除く): 967331228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1336091, 2672182, 5344364, 6680455, 13360910, 26721820, 41418821, 82837642, 165675284, 207094105, 414188210, 828376420]

約数ペア:

[(1, 828376420), (2, 414188210), (4, 207094105), (5, 165675284), (10, 82837642), (20, 41418821), (31, 26721820), (62, 13360910), (124, 6680455), (155, 5344364), (310, 2672182), (620, 1336091)]