25960180

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5431}}^1$

素因数の和:5679

約数の個数: 24

約数和(自身を含む): 54754560

約数和(自身を除く): 28794380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 5431, 10862, 21724, 27155, 54310, 108620, 1298009, 2596018, 5192036, 6490045, 12980090, 25960180]

約数ペア:

[(1, 25960180), (2, 12980090), (4, 6490045), (5, 5192036), (10, 2596018), (20, 1298009), (239, 108620), (478, 54310), (956, 27155), (1195, 21724), (2390, 10862), (4780, 5431)]