4920940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7937}}^1$

素因数の和:7977

約数の個数: 24

約数和(自身を含む): 10668672

約数和(自身を除く): 5747732

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 7937, 15874, 31748, 39685, 79370, 158740, 246047, 492094, 984188, 1230235, 2460470, 4920940]

約数ペア:

[(1, 4920940), (2, 2460470), (4, 1230235), (5, 984188), (10, 492094), (20, 246047), (31, 158740), (62, 79370), (124, 39685), (155, 31748), (310, 15874), (620, 7937)]