16401620

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{5431}}^1$

素因数の和:5591

約数の個数: 24

約数和(自身を含む): 34677888

約数和(自身を除く): 18276268

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 5431, 10862, 21724, 27155, 54310, 108620, 820081, 1640162, 3280324, 4100405, 8200810, 16401620]

約数ペア:

[(1, 16401620), (2, 8200810), (4, 4100405), (5, 3280324), (10, 1640162), (20, 820081), (151, 108620), (302, 54310), (604, 27155), (755, 21724), (1510, 10862), (3020, 5431)]