18060500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{881}}^1$

素因数の和:941

約数の個数: 48

約数和(自身を含む): 40452048

約数和(自身を除く): 22391548

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 820, 881, 1025, 1762, 2050, 3524, 4100, 4405, 5125, 8810, 10250, 17620, 20500, 22025, 36121, 44050, 72242, 88100, 110125, 144484, 180605, 220250, 361210, 440500, 722420, 903025, 1806050, 3612100, 4515125, 9030250, 18060500]

約数ペア:

[(1, 18060500), (2, 9030250), (4, 4515125), (5, 3612100), (10, 1806050), (20, 903025), (25, 722420), (41, 440500), (50, 361210), (82, 220250), (100, 180605), (125, 144484), (164, 110125), (205, 88100), (250, 72242), (410, 44050), (500, 36121), (820, 22025), (881, 20500), (1025, 17620), (1762, 10250), (2050, 8810), (3524, 5125), (4100, 4405)]