28875080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55529}}^1$

素因数の和:55553

約数の個数: 32

約数和(自身を含む): 69967800

約数和(自身を除く): 41092720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 55529, 111058, 222116, 277645, 444232, 555290, 721877, 1110580, 1443754, 2221160, 2887508, 3609385, 5775016, 7218770, 14437540, 28875080]

約数ペア:

[(1, 28875080), (2, 14437540), (4, 7218770), (5, 5775016), (8, 3609385), (10, 2887508), (13, 2221160), (20, 1443754), (26, 1110580), (40, 721877), (52, 555290), (65, 444232), (104, 277645), (130, 222116), (260, 111058), (520, 55529)]