87643960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{115321}}^1$

素因数の和:115351

約数の個数: 32

約数和(自身を含む): 207579600

約数和(自身を除く): 119935640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 115321, 230642, 461284, 576605, 922568, 1153210, 2191099, 2306420, 4382198, 4612840, 8764396, 10955495, 17528792, 21910990, 43821980, 87643960]

約数ペア:

[(1, 87643960), (2, 43821980), (4, 21910990), (5, 17528792), (8, 10955495), (10, 8764396), (19, 4612840), (20, 4382198), (38, 2306420), (40, 2191099), (76, 1153210), (95, 922568), (152, 576605), (190, 461284), (380, 230642), (760, 115321)]