87758260

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71933}}^1$

素因数の和:72003

約数の個数: 24

約数和(自身を含む): 187316136

約数和(自身を除く): 99557876

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 71933, 143866, 287732, 359665, 719330, 1438660, 4387913, 8775826, 17551652, 21939565, 43879130, 87758260]

約数ペア:

[(1, 87758260), (2, 43879130), (4, 21939565), (5, 17551652), (10, 8775826), (20, 4387913), (61, 1438660), (122, 719330), (244, 359665), (305, 287732), (610, 143866), (1220, 71933)]