40902040

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{1283}}^1$

素因数の和:2091

約数の個数: 32

約数和(自身を含む): 92216880

約数和(自身を除く): 51314840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 1283, 1594, 2566, 3188, 3985, 5132, 6376, 6415, 7970, 10264, 12830, 15940, 25660, 31880, 51320, 1022551, 2045102, 4090204, 5112755, 8180408, 10225510, 20451020, 40902040]

約数ペア:

[(1, 40902040), (2, 20451020), (4, 10225510), (5, 8180408), (8, 5112755), (10, 4090204), (20, 2045102), (40, 1022551), (797, 51320), (1283, 31880), (1594, 25660), (2566, 15940), (3188, 12830), (3985, 10264), (5132, 7970), (6376, 6415)]