28137396440

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2125181}}^1$

素因数の和:2125523

約数の個数: 32

約数和(自身を含む): 63500438160

約数和(自身を除く): 35363041720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 13240, 2125181, 4250362, 8500724, 10625905, 17001448, 21251810, 42503620, 85007240, 703434911, 1406869822, 2813739644, 3517174555, 5627479288, 7034349110, 14068698220, 28137396440]

約数ペア:

[(1, 28137396440), (2, 14068698220), (4, 7034349110), (5, 5627479288), (8, 3517174555), (10, 2813739644), (20, 1406869822), (40, 703434911), (331, 85007240), (662, 42503620), (1324, 21251810), (1655, 17001448), (2648, 10625905), (3310, 8500724), (6620, 4250362), (13240, 2125181)]