79840940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97367}}^1$

素因数の和:97417

約数の個数: 24

約数和(自身を含む): 171757152

約数和(自身を除く): 91916212

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 97367, 194734, 389468, 486835, 973670, 1947340, 3992047, 7984094, 15968188, 19960235, 39920470, 79840940]

約数ペア:

[(1, 79840940), (2, 39920470), (4, 19960235), (5, 15968188), (10, 7984094), (20, 3992047), (41, 1947340), (82, 973670), (164, 486835), (205, 389468), (410, 194734), (820, 97367)]