87306860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71563}}^1$

素因数の和:71633

約数の個数: 24

約数和(自身を含む): 186352656

約数和(自身を除く): 99045796

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 71563, 143126, 286252, 357815, 715630, 1431260, 4365343, 8730686, 17461372, 21826715, 43653430, 87306860]

約数ペア:

[(1, 87306860), (2, 43653430), (4, 21826715), (5, 17461372), (10, 8730686), (20, 4365343), (61, 1431260), (122, 715630), (244, 357815), (305, 286252), (610, 143126), (1220, 71563)]