12786020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49177}}^1$

素因数の和:49199

約数の個数: 24

約数和(自身を含む): 28916664

約数和(自身を除く): 16130644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 49177, 98354, 196708, 245885, 491770, 639301, 983540, 1278602, 2557204, 3196505, 6393010, 12786020]

約数ペア:

[(1, 12786020), (2, 6393010), (4, 3196505), (5, 2557204), (10, 1278602), (13, 983540), (20, 639301), (26, 491770), (52, 245885), (65, 196708), (130, 98354), (260, 49177)]