4011620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2539}}^1$

素因数の和:2627

約数の個数: 24

約数和(自身を含む): 8534400

約数和(自身を除く): 4522780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 2539, 5078, 10156, 12695, 25390, 50780, 200581, 401162, 802324, 1002905, 2005810, 4011620]

約数ペア:

[(1, 4011620), (2, 2005810), (4, 1002905), (5, 802324), (10, 401162), (20, 200581), (79, 50780), (158, 25390), (316, 12695), (395, 10156), (790, 5078), (1580, 2539)]