79443640

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15161}}^1$

素因数の和:15303

約数の個数: 32

約数和(自身を含む): 180124560

約数和(自身を除く): 100680920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 15161, 30322, 60644, 75805, 121288, 151610, 303220, 606440, 1986091, 3972182, 7944364, 9930455, 15888728, 19860910, 39721820, 79443640]

約数ペア:

[(1, 79443640), (2, 39721820), (4, 19860910), (5, 15888728), (8, 9930455), (10, 7944364), (20, 3972182), (40, 1986091), (131, 606440), (262, 303220), (524, 151610), (655, 121288), (1048, 75805), (1310, 60644), (2620, 30322), (5240, 15161)]