28518940

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{12619}}^1$

素因数の和:12741

約数の個数: 24

約数和(自身を含む): 60424560

約数和(自身を除く): 31905620

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 12619, 25238, 50476, 63095, 126190, 252380, 1425947, 2851894, 5703788, 7129735, 14259470, 28518940]

約数ペア:

[(1, 28518940), (2, 14259470), (4, 7129735), (5, 5703788), (10, 2851894), (20, 1425947), (113, 252380), (226, 126190), (452, 63095), (565, 50476), (1130, 25238), (2260, 12619)]