51391760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{91771}}^1$

素因数の和:91791

約数の個数: 40

約数和(自身を含む): 136556736

約数和(自身を除く): 85164976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 91771, 183542, 367084, 458855, 642397, 734168, 917710, 1284794, 1468336, 1835420, 2569588, 3211985, 3670840, 5139176, 6423970, 7341680, 10278352, 12847940, 25695880, 51391760]

約数ペア:

[(1, 51391760), (2, 25695880), (4, 12847940), (5, 10278352), (7, 7341680), (8, 6423970), (10, 5139176), (14, 3670840), (16, 3211985), (20, 2569588), (28, 1835420), (35, 1468336), (40, 1284794), (56, 917710), (70, 734168), (80, 642397), (112, 458855), (140, 367084), (280, 183542), (560, 91771)]