531791650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{4153}}^1$

素因数の和:4375

約数の個数: 48

約数和(自身を含む): 1070884584

約数和(自身を除く): 539092934

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 197, 325, 394, 650, 985, 1970, 2561, 4153, 4925, 5122, 8306, 9850, 12805, 20765, 25610, 41530, 53989, 64025, 103825, 107978, 128050, 207650, 269945, 539890, 818141, 1349725, 1636282, 2699450, 4090705, 8181410, 10635833, 20453525, 21271666, 40907050, 53179165, 106358330, 265895825, 531791650]

約数ペア:

[(1, 531791650), (2, 265895825), (5, 106358330), (10, 53179165), (13, 40907050), (25, 21271666), (26, 20453525), (50, 10635833), (65, 8181410), (130, 4090705), (197, 2699450), (325, 1636282), (394, 1349725), (650, 818141), (985, 539890), (1970, 269945), (2561, 207650), (4153, 128050), (4925, 107978), (5122, 103825), (8306, 64025), (9850, 53989), (12805, 41530), (20765, 25610)]