2019905875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{11617}}^1$

素因数の和:11752

約数の個数: 32

約数和(自身を含む): 2740360896

約数和(自身を除く): 720455021

約数列:

[1, 5, 13, 25, 65, 107, 125, 325, 535, 1391, 1625, 2675, 6955, 11617, 13375, 34775, 58085, 151021, 173875, 290425, 755105, 1243019, 1452125, 3775525, 6215095, 16159247, 18877625, 31075475, 80796235, 155377375, 403981175, 2019905875]

約数ペア:

[(1, 2019905875), (5, 403981175), (13, 155377375), (25, 80796235), (65, 31075475), (107, 18877625), (125, 16159247), (325, 6215095), (535, 3775525), (1391, 1452125), (1625, 1243019), (2675, 755105), (6955, 290425), (11617, 173875), (13375, 151021), (34775, 58085)]