40628240

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1931}}^1$

素因数の和:2207

約数の個数: 40

約数和(自身を含む): 94868928

約数和(自身を除く): 54240688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 1931, 2104, 2630, 3862, 4208, 5260, 7724, 9655, 10520, 15448, 19310, 21040, 30896, 38620, 77240, 154480, 507853, 1015706, 2031412, 2539265, 4062824, 5078530, 8125648, 10157060, 20314120, 40628240]

約数ペア:

[(1, 40628240), (2, 20314120), (4, 10157060), (5, 8125648), (8, 5078530), (10, 4062824), (16, 2539265), (20, 2031412), (40, 1015706), (80, 507853), (263, 154480), (526, 77240), (1052, 38620), (1315, 30896), (1931, 21040), (2104, 19310), (2630, 15448), (3862, 10520), (4208, 9655), (5260, 7724)]