68163640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89689}}^1$

素因数の和:89719

約数の個数: 32

約数和(自身を含む): 161442000

約数和(自身を除く): 93278360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 89689, 179378, 358756, 448445, 717512, 896890, 1704091, 1793780, 3408182, 3587560, 6816364, 8520455, 13632728, 17040910, 34081820, 68163640]

約数ペア:

[(1, 68163640), (2, 34081820), (4, 17040910), (5, 13632728), (8, 8520455), (10, 6816364), (19, 3587560), (20, 3408182), (38, 1793780), (40, 1704091), (76, 896890), (95, 717512), (152, 448445), (190, 358756), (380, 179378), (760, 89689)]