66324080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{13591}}^1$

素因数の和:13665

約数の個数: 40

約数和(自身を含む): 156742944

約数和(自身を除く): 90418864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 13591, 27182, 54364, 67955, 108728, 135910, 217456, 271820, 543640, 829051, 1087280, 1658102, 3316204, 4145255, 6632408, 8290510, 13264816, 16581020, 33162040, 66324080]

約数ペア:

[(1, 66324080), (2, 33162040), (4, 16581020), (5, 13264816), (8, 8290510), (10, 6632408), (16, 4145255), (20, 3316204), (40, 1658102), (61, 1087280), (80, 829051), (122, 543640), (244, 271820), (305, 217456), (488, 135910), (610, 108728), (976, 67955), (1220, 54364), (2440, 27182), (4880, 13591)]