87667960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30869}}^1$

素因数の和:30951

約数の個数: 32

約数和(自身を含む): 200037600

約数和(自身を除く): 112369640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 30869, 61738, 123476, 154345, 246952, 308690, 617380, 1234760, 2191699, 4383398, 8766796, 10958495, 17533592, 21916990, 43833980, 87667960]

約数ペア:

[(1, 87667960), (2, 43833980), (4, 21916990), (5, 17533592), (8, 10958495), (10, 8766796), (20, 4383398), (40, 2191699), (71, 1234760), (142, 617380), (284, 308690), (355, 246952), (568, 154345), (710, 123476), (1420, 61738), (2840, 30869)]