2051236760

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{497873}}^1$

素因数の和:497987

約数の個数: 32

約数和(自身を含む): 4660100640

約数和(自身を除く): 2608863880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 497873, 995746, 1991492, 2489365, 3982984, 4978730, 9957460, 19914920, 51280919, 102561838, 205123676, 256404595, 410247352, 512809190, 1025618380, 2051236760]

約数ペア:

[(1, 2051236760), (2, 1025618380), (4, 512809190), (5, 410247352), (8, 256404595), (10, 205123676), (20, 102561838), (40, 51280919), (103, 19914920), (206, 9957460), (412, 4978730), (515, 3982984), (824, 2489365), (1030, 1991492), (2060, 995746), (4120, 497873)]