80239100

素因数分解:

$2^2\times 5^2\times {\mathrm{191}}^1\times {\mathrm{4201}}^1$

素因数の和:4406

約数の個数: 36

約数和(自身を含む): 175072128

約数和(自身を除く): 94833028

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 191, 382, 764, 955, 1910, 3820, 4201, 4775, 8402, 9550, 16804, 19100, 21005, 42010, 84020, 105025, 210050, 420100, 802391, 1604782, 3209564, 4011955, 8023910, 16047820, 20059775, 40119550, 80239100]

約数ペア:

[(1, 80239100), (2, 40119550), (4, 20059775), (5, 16047820), (10, 8023910), (20, 4011955), (25, 3209564), (50, 1604782), (100, 802391), (191, 420100), (382, 210050), (764, 105025), (955, 84020), (1910, 42010), (3820, 21005), (4201, 19100), (4775, 16804), (8402, 9550)]