145101820

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{9103}}^1$

素因数の和:9909

約数の個数: 24

約数和(自身を含む): 305129664

約数和(自身を除く): 160027844

約数列:

[1, 2, 4, 5, 10, 20, 797, 1594, 3188, 3985, 7970, 9103, 15940, 18206, 36412, 45515, 91030, 182060, 7255091, 14510182, 29020364, 36275455, 72550910, 145101820]

約数ペア:

[(1, 145101820), (2, 72550910), (4, 36275455), (5, 29020364), (10, 14510182), (20, 7255091), (797, 182060), (1594, 91030), (3188, 45515), (3985, 36412), (7970, 18206), (9103, 15940)]