1640982565

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{1823}}^1\times {\mathrm{4391}}^1$

素因数の和:6260

約数の個数: 16

約数和(自身を含む): 2018774016

約数和(自身を除く): 377791451

約数列:

[1, 5, 41, 205, 1823, 4391, 9115, 21955, 74743, 180031, 373715, 900155, 8004793, 40023965, 328196513, 1640982565]

約数ペア:

[(1, 1640982565), (5, 328196513), (41, 40023965), (205, 8004793), (1823, 900155), (4391, 373715), (9115, 180031), (21955, 74743)]