90625015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{7789}}^1$

素因数の和:7986

約数の個数: 16

約数和(自身を含む): 117784800

約数和(自身を除く): 27159785

約数列:

[1, 5, 13, 65, 179, 895, 2327, 7789, 11635, 38945, 101257, 506285, 1394231, 6971155, 18125003, 90625015]

約数ペア:

[(1, 90625015), (5, 18125003), (13, 6971155), (65, 1394231), (179, 506285), (895, 101257), (2327, 38945), (7789, 11635)]