89467960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{117721}}^1$

素因数の和:117751

約数の個数: 32

約数和(自身を含む): 211899600

約数和(自身を除く): 122431640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 117721, 235442, 470884, 588605, 941768, 1177210, 2236699, 2354420, 4473398, 4708840, 8946796, 11183495, 17893592, 22366990, 44733980, 89467960]

約数ペア:

[(1, 89467960), (2, 44733980), (4, 22366990), (5, 17893592), (8, 11183495), (10, 8946796), (19, 4708840), (20, 4473398), (38, 2354420), (40, 2236699), (76, 1177210), (95, 941768), (152, 588605), (190, 470884), (380, 235442), (760, 117721)]