72021200

素因数分解:

$2^4\times 5^2\times {\mathrm{180053}}^1$

素因数の和:180071

約数の個数: 30

約数和(自身を含む): 173031894

約数和(自身を除く): 101010694

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 180053, 360106, 720212, 900265, 1440424, 1800530, 2880848, 3601060, 4501325, 7202120, 9002650, 14404240, 18005300, 36010600, 72021200]

約数ペア:

[(1, 72021200), (2, 36010600), (4, 18005300), (5, 14404240), (8, 9002650), (10, 7202120), (16, 4501325), (20, 3601060), (25, 2880848), (40, 1800530), (50, 1440424), (80, 900265), (100, 720212), (200, 360106), (400, 180053)]