2005368625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 2776580352

約数和(自身を除く): 771211727

約数列:

[1, 5, 13, 25, 65, 67, 113, 125, 163, 325, 335, 565, 815, 871, 1469, 1625, 1675, 2119, 2825, 4075, 4355, 7345, 7571, 8375, 10595, 10921, 14125, 18419, 20375, 21775, 36725, 37855, 52975, 54605, 92095, 98423, 108875, 141973, 183625, 189275, 239447, 264875, 273025, 460475, 492115, 709865, 946375, 1197235, 1234073, 1365125, 2302375, 2460575, 3549325, 5986175, 6170365, 12302875, 16042949, 17746625, 29930875, 30851825, 80214745, 154259125, 401073725, 2005368625]

約数ペア:

[(1, 2005368625), (5, 401073725), (13, 154259125), (25, 80214745), (65, 30851825), (67, 29930875), (113, 17746625), (125, 16042949), (163, 12302875), (325, 6170365), (335, 5986175), (565, 3549325), (815, 2460575), (871, 2302375), (1469, 1365125), (1625, 1234073), (1675, 1197235), (2119, 946375), (2825, 709865), (4075, 492115), (4355, 460475), (7345, 273025), (7571, 264875), (8375, 239447), (10595, 189275), (10921, 183625), (14125, 141973), (18419, 108875), (20375, 98423), (21775, 92095), (36725, 54605), (37855, 52975)]