72007160

素因数分解:

$2^3\times 5^1\times {\mathrm{1800179}}^1$

素因数の和:1800190

約数の個数: 16

約数和(自身を含む): 162016200

約数和(自身を除く): 90009040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1800179, 3600358, 7200716, 9000895, 14401432, 18001790, 36003580, 72007160]

約数ペア:

[(1, 72007160), (2, 36003580), (4, 18001790), (5, 14401432), (8, 9000895), (10, 7200716), (20, 3600358), (40, 1800179)]