2009505875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{18457}}^1$

素因数の和:18552

約数の個数: 32

約数和(自身を含む): 2741234496

約数和(自身を除く): 731728621

約数列:

[1, 5, 13, 25, 65, 67, 125, 325, 335, 871, 1625, 1675, 4355, 8375, 18457, 21775, 92285, 108875, 239941, 461425, 1199705, 1236619, 2307125, 5998525, 6183095, 16076047, 29992625, 30915475, 80380235, 154577375, 401901175, 2009505875]

約数ペア:

[(1, 2009505875), (5, 401901175), (13, 154577375), (25, 80380235), (65, 30915475), (67, 29992625), (125, 16076047), (325, 6183095), (335, 5998525), (871, 2307125), (1625, 1236619), (1675, 1199705), (4355, 461425), (8375, 239941), (18457, 108875), (21775, 92285)]