40074220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48871}}^1$

素因数の和:48921

約数の個数: 24

約数和(自身を含む): 86210208

約数和(自身を除く): 46135988

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 48871, 97742, 195484, 244355, 488710, 977420, 2003711, 4007422, 8014844, 10018555, 20037110, 40074220]

約数ペア:

[(1, 40074220), (2, 20037110), (4, 10018555), (5, 8014844), (10, 4007422), (20, 2003711), (41, 977420), (82, 488710), (164, 244355), (205, 195484), (410, 97742), (820, 48871)]