12656020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48677}}^1$

素因数の和:48699

約数の個数: 24

約数和(自身を含む): 28622664

約数和(自身を除く): 15966644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 48677, 97354, 194708, 243385, 486770, 632801, 973540, 1265602, 2531204, 3164005, 6328010, 12656020]

約数ペア:

[(1, 12656020), (2, 6328010), (4, 3164005), (5, 2531204), (10, 1265602), (13, 973540), (20, 632801), (26, 486770), (52, 243385), (65, 194708), (130, 97354), (260, 48677)]