18006250

素因数分解:

$2^1\times 5^5\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 48

約数和(自身を含む): 35060256

約数和(自身を除く): 17054006

約数列:

[1, 2, 5, 10, 25, 43, 50, 67, 86, 125, 134, 215, 250, 335, 430, 625, 670, 1075, 1250, 1675, 2150, 2881, 3125, 3350, 5375, 5762, 6250, 8375, 10750, 14405, 16750, 26875, 28810, 41875, 53750, 72025, 83750, 134375, 144050, 209375, 268750, 360125, 418750, 720250, 1800625, 3601250, 9003125, 18006250]

約数ペア:

[(1, 18006250), (2, 9003125), (5, 3601250), (10, 1800625), (25, 720250), (43, 418750), (50, 360125), (67, 268750), (86, 209375), (125, 144050), (134, 134375), (215, 83750), (250, 72025), (335, 53750), (430, 41875), (625, 28810), (670, 26875), (1075, 16750), (1250, 14405), (1675, 10750), (2150, 8375), (2881, 6250), (3125, 5762), (3350, 5375)]