27281260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80239}}^1$

素因数の和:80265

約数の個数: 24

約数和(自身を含む): 60661440

約数和(自身を除く): 33380180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 80239, 160478, 320956, 401195, 802390, 1364063, 1604780, 2728126, 5456252, 6820315, 13640630, 27281260]

約数ペア:

[(1, 27281260), (2, 13640630), (4, 6820315), (5, 5456252), (10, 2728126), (17, 1604780), (20, 1364063), (34, 802390), (68, 401195), (85, 320956), (170, 160478), (340, 80239)]