78818350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{121259}}^1$

素因数の和:121284

約数の個数: 24

約数和(自身を含む): 157880520

約数和(自身を除く): 79062170

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 121259, 242518, 606295, 1212590, 1576367, 3031475, 3152734, 6062950, 7881835, 15763670, 39409175, 78818350]

約数ペア:

[(1, 78818350), (2, 39409175), (5, 15763670), (10, 7881835), (13, 6062950), (25, 3152734), (26, 3031475), (50, 1576367), (65, 1212590), (130, 606295), (325, 242518), (650, 121259)]