50997180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65381}}^1$

素因数の和:65406

約数の個数: 48

約数和(自身を含む): 153778464

約数和(自身を除く): 102781284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 65381, 130762, 196143, 261524, 326905, 392286, 653810, 784572, 849953, 980715, 1307620, 1699906, 1961430, 2549859, 3399812, 3922860, 4249765, 5099718, 8499530, 10199436, 12749295, 16999060, 25498590, 50997180]

約数ペア:

[(1, 50997180), (2, 25498590), (3, 16999060), (4, 12749295), (5, 10199436), (6, 8499530), (10, 5099718), (12, 4249765), (13, 3922860), (15, 3399812), (20, 2549859), (26, 1961430), (30, 1699906), (39, 1307620), (52, 980715), (60, 849953), (65, 784572), (78, 653810), (130, 392286), (156, 326905), (195, 261524), (260, 196143), (390, 130762), (780, 65381)]