2018220625

素因数分解:

$5^4\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:523

約数の個数: 40

約数和(自身を含む): 2579024448

約数和(自身を除く): 560803823

約数列:

[1, 5, 25, 103, 107, 125, 293, 515, 535, 625, 1465, 2575, 2675, 7325, 11021, 12875, 13375, 30179, 31351, 36625, 55105, 64375, 66875, 150895, 156755, 183125, 275525, 754475, 783775, 1377625, 3229153, 3772375, 3918875, 6888125, 16145765, 18861875, 19594375, 80728825, 403644125, 2018220625]

約数ペア:

[(1, 2018220625), (5, 403644125), (25, 80728825), (103, 19594375), (107, 18861875), (125, 16145765), (293, 6888125), (515, 3918875), (535, 3772375), (625, 3229153), (1465, 1377625), (2575, 783775), (2675, 754475), (7325, 275525), (11021, 183125), (12875, 156755), (13375, 150895), (30179, 66875), (31351, 64375), (36625, 55105)]