7997380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12899}}^1$

素因数の和:12939

約数の個数: 24

約数和(自身を含む): 17337600

約数和(自身を除く): 9340220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 12899, 25798, 51596, 64495, 128990, 257980, 399869, 799738, 1599476, 1999345, 3998690, 7997380]

約数ペア:

[(1, 7997380), (2, 3998690), (4, 1999345), (5, 1599476), (10, 799738), (20, 399869), (31, 257980), (62, 128990), (124, 64495), (155, 51596), (310, 25798), (620, 12899)]