67981240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89449}}^1$

素因数の和:89479

約数の個数: 32

約数和(自身を含む): 161010000

約数和(自身を除く): 93028760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 89449, 178898, 357796, 447245, 715592, 894490, 1699531, 1788980, 3399062, 3577960, 6798124, 8497655, 13596248, 16995310, 33990620, 67981240]

約数ペア:

[(1, 67981240), (2, 33990620), (4, 16995310), (5, 13596248), (8, 8497655), (10, 6798124), (19, 3577960), (20, 3399062), (38, 1788980), (40, 1699531), (76, 894490), (95, 715592), (152, 447245), (190, 357796), (380, 178898), (760, 89449)]