68263960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89821}}^1$

素因数の和:89851

約数の個数: 32

約数和(自身を含む): 161679600

約数和(自身を除く): 93415640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 89821, 179642, 359284, 449105, 718568, 898210, 1706599, 1796420, 3413198, 3592840, 6826396, 8532995, 13652792, 17065990, 34131980, 68263960]

約数ペア:

[(1, 68263960), (2, 34131980), (4, 17065990), (5, 13652792), (8, 8532995), (10, 6826396), (19, 3592840), (20, 3413198), (38, 1796420), (40, 1706599), (76, 898210), (95, 718568), (152, 449105), (190, 359284), (380, 179642), (760, 89821)]