99920015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1\times {\mathrm{1999}}^1$

素因数の和:2786

約数の個数: 16

約数和(自身を含む): 129360000

約数和(自身を除く): 29439985

約数列:

[1, 5, 13, 65, 769, 1999, 3845, 9995, 9997, 25987, 49985, 129935, 1537231, 7686155, 19984003, 99920015]

約数ペア:

[(1, 99920015), (5, 19984003), (13, 7686155), (65, 1537231), (769, 129935), (1999, 49985), (3845, 25987), (9995, 9997)]