827309020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{20347}}^1$

素因数の和:20482

約数の個数: 48

約数和(自身を含む): 1845970560

約数和(自身を除く): 1018661540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 190, 214, 380, 428, 535, 1070, 2033, 2140, 4066, 8132, 10165, 20330, 20347, 40660, 40694, 81388, 101735, 203470, 386593, 406940, 773186, 1546372, 1932965, 2177129, 3865930, 4354258, 7731860, 8708516, 10885645, 21771290, 41365451, 43542580, 82730902, 165461804, 206827255, 413654510, 827309020]

約数ペア:

[(1, 827309020), (2, 413654510), (4, 206827255), (5, 165461804), (10, 82730902), (19, 43542580), (20, 41365451), (38, 21771290), (76, 10885645), (95, 8708516), (107, 7731860), (190, 4354258), (214, 3865930), (380, 2177129), (428, 1932965), (535, 1546372), (1070, 773186), (2033, 406940), (2140, 386593), (4066, 203470), (8132, 101735), (10165, 81388), (20330, 40694), (20347, 40660)]