28005800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{8237}}^1$

素因数の和:8270

約数の個数: 48

約数和(自身を含む): 68952060

約数和(自身を除く): 40946260

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 8237, 16474, 32948, 41185, 65896, 82370, 140029, 164740, 205925, 280058, 329480, 411850, 560116, 700145, 823700, 1120232, 1400290, 1647400, 2800580, 3500725, 5601160, 7001450, 14002900, 28005800]

約数ペア:

[(1, 28005800), (2, 14002900), (4, 7001450), (5, 5601160), (8, 3500725), (10, 2800580), (17, 1647400), (20, 1400290), (25, 1120232), (34, 823700), (40, 700145), (50, 560116), (68, 411850), (85, 329480), (100, 280058), (136, 205925), (170, 164740), (200, 140029), (340, 82370), (425, 65896), (680, 41185), (850, 32948), (1700, 16474), (3400, 8237)]