40389535

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 54820800

約数和(自身を除く): 14431265

約数列:

[1, 5, 17, 19, 85, 89, 95, 281, 323, 445, 1405, 1513, 1615, 1691, 4777, 5339, 7565, 8455, 23885, 25009, 26695, 28747, 90763, 125045, 143735, 425153, 453815, 475171, 2125765, 2375855, 8077907, 40389535]

約数ペア:

[(1, 40389535), (5, 8077907), (17, 2375855), (19, 2125765), (85, 475171), (89, 453815), (95, 425153), (281, 143735), (323, 125045), (445, 90763), (1405, 28747), (1513, 26695), (1615, 25009), (1691, 23885), (4777, 8455), (5339, 7565)]