2018990125

素因数分解:

$5^3\times {\mathrm{17}}^2\times {\mathrm{55889}}^1$

素因数の和:55938

約数の個数: 24

約数和(自身を含む): 2676683880

約数和(自身を除く): 657693755

約数列:

[1, 5, 17, 25, 85, 125, 289, 425, 1445, 2125, 7225, 36125, 55889, 279445, 950113, 1397225, 4750565, 6986125, 16151921, 23752825, 80759605, 118764125, 403798025, 2018990125]

約数ペア:

[(1, 2018990125), (5, 403798025), (17, 118764125), (25, 80759605), (85, 23752825), (125, 16151921), (289, 6986125), (425, 4750565), (1445, 1397225), (2125, 950113), (7225, 279445), (36125, 55889)]