2251640

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{311}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 5110560

約数和(自身を除く): 2858920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 311, 362, 622, 724, 905, 1244, 1448, 1555, 1810, 2488, 3110, 3620, 6220, 7240, 12440, 56291, 112582, 225164, 281455, 450328, 562910, 1125820, 2251640]

約数ペア:

[(1, 2251640), (2, 1125820), (4, 562910), (5, 450328), (8, 281455), (10, 225164), (20, 112582), (40, 56291), (181, 12440), (311, 7240), (362, 6220), (622, 3620), (724, 3110), (905, 2488), (1244, 1810), (1448, 1555)]