402710005

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{3967}}^1$

素因数の和:4308

約数の個数: 16

約数和(自身を含む): 491397120

約数和(自身を除く): 88687115

約数列:

[1, 5, 79, 257, 395, 1285, 3967, 19835, 20303, 101515, 313393, 1019519, 1566965, 5097595, 80542001, 402710005]

約数ペア:

[(1, 402710005), (5, 80542001), (79, 5097595), (257, 1566965), (395, 1019519), (1285, 313393), (3967, 101515), (19835, 20303)]