401026960

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{68669}}^1$

素因数の和:68755

約数の個数: 40

約数和(自身を含む): 945173880

約数和(自身を除く): 544146920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 68669, 137338, 274676, 343345, 549352, 686690, 1098704, 1373380, 2746760, 5012837, 5493520, 10025674, 20051348, 25064185, 40102696, 50128370, 80205392, 100256740, 200513480, 401026960]

約数ペア:

[(1, 401026960), (2, 200513480), (4, 100256740), (5, 80205392), (8, 50128370), (10, 40102696), (16, 25064185), (20, 20051348), (40, 10025674), (73, 5493520), (80, 5012837), (146, 2746760), (292, 1373380), (365, 1098704), (584, 686690), (730, 549352), (1168, 343345), (1460, 274676), (2920, 137338), (5840, 68669)]