79860820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1697}}^1$

素因数の和:1900

約数の個数: 48

約数和(自身を含む): 181713168

約数和(自身を除く): 101852348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 362, 724, 905, 1697, 1810, 2353, 3394, 3620, 4706, 6788, 8485, 9412, 11765, 16970, 22061, 23530, 33940, 44122, 47060, 88244, 110305, 220610, 307157, 441220, 614314, 1228628, 1535785, 3071570, 3993041, 6143140, 7986082, 15972164, 19965205, 39930410, 79860820]

約数ペア:

[(1, 79860820), (2, 39930410), (4, 19965205), (5, 15972164), (10, 7986082), (13, 6143140), (20, 3993041), (26, 3071570), (52, 1535785), (65, 1228628), (130, 614314), (181, 441220), (260, 307157), (362, 220610), (724, 110305), (905, 88244), (1697, 47060), (1810, 44122), (2353, 33940), (3394, 23530), (3620, 22061), (4706, 16970), (6788, 11765), (8485, 9412)]