210955240

素因数分解:

$2^3\times 5^1\times {\mathrm{2069}}^1\times {\mathrm{2549}}^1$

素因数の和:4629

約数の個数: 32

約数和(自身を含む): 475065000

約数和(自身を除く): 264109760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2069, 2549, 4138, 5098, 8276, 10196, 10345, 12745, 16552, 20392, 20690, 25490, 41380, 50980, 82760, 101960, 5273881, 10547762, 21095524, 26369405, 42191048, 52738810, 105477620, 210955240]

約数ペア:

[(1, 210955240), (2, 105477620), (4, 52738810), (5, 42191048), (8, 26369405), (10, 21095524), (20, 10547762), (40, 5273881), (2069, 101960), (2549, 82760), (4138, 50980), (5098, 41380), (8276, 25490), (10196, 20690), (10345, 20392), (12745, 16552)]