8880454040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{132071}}^1$

素因数の和:132164

約数の個数: 48

約数和(自身を含む): 20480405040

約数和(自身を除く): 11599951000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1681, 3362, 6724, 8405, 13448, 16810, 33620, 67240, 132071, 264142, 528284, 660355, 1056568, 1320710, 2641420, 5282840, 5414911, 10829822, 21659644, 27074555, 43319288, 54149110, 108298220, 216596440, 222011351, 444022702, 888045404, 1110056755, 1776090808, 2220113510, 4440227020, 8880454040]

約数ペア:

[(1, 8880454040), (2, 4440227020), (4, 2220113510), (5, 1776090808), (8, 1110056755), (10, 888045404), (20, 444022702), (40, 222011351), (41, 216596440), (82, 108298220), (164, 54149110), (205, 43319288), (328, 27074555), (410, 21659644), (820, 10829822), (1640, 5414911), (1681, 5282840), (3362, 2641420), (6724, 1320710), (8405, 1056568), (13448, 660355), (16810, 528284), (33620, 264142), (67240, 132071)]