15890810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{487}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 30989952

約数和(自身を除く): 15099142

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 251, 487, 502, 974, 1255, 2435, 2510, 3263, 4870, 6331, 6526, 12662, 16315, 31655, 32630, 63310, 122237, 244474, 611185, 1222370, 1589081, 3178162, 7945405, 15890810]

約数ペア:

[(1, 15890810), (2, 7945405), (5, 3178162), (10, 1589081), (13, 1222370), (26, 611185), (65, 244474), (130, 122237), (251, 63310), (487, 32630), (502, 31655), (974, 16315), (1255, 12662), (2435, 6526), (2510, 6331), (3263, 4870)]