25565140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31177}}^1$

素因数の和:31227

約数の個数: 24

約数和(自身を含む): 54997992

約数和(自身を除く): 29432852

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 31177, 62354, 124708, 155885, 311770, 623540, 1278257, 2556514, 5113028, 6391285, 12782570, 25565140]

約数ペア:

[(1, 25565140), (2, 12782570), (4, 6391285), (5, 5113028), (10, 2556514), (20, 1278257), (41, 623540), (82, 311770), (164, 155885), (205, 124708), (410, 62354), (820, 31177)]