72509140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{329587}}^1$

素因数の和:329607

約数の個数: 24

約数和(自身を含む): 166112352

約数和(自身を除く): 93603212

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 329587, 659174, 1318348, 1647935, 3295870, 3625457, 6591740, 7250914, 14501828, 18127285, 36254570, 72509140]

約数ペア:

[(1, 72509140), (2, 36254570), (4, 18127285), (5, 14501828), (10, 7250914), (11, 6591740), (20, 3625457), (22, 3295870), (44, 1647935), (55, 1318348), (110, 659174), (220, 329587)]