859300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:688

約数の個数: 36

約数和(自身を含む): 2011156

約数和(自身を除く): 1151856

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 661, 1300, 1322, 2644, 3305, 6610, 8593, 13220, 16525, 17186, 33050, 34372, 42965, 66100, 85930, 171860, 214825, 429650, 859300]

約数ペア:

[(1, 859300), (2, 429650), (4, 214825), (5, 171860), (10, 85930), (13, 66100), (20, 42965), (25, 34372), (26, 33050), (50, 17186), (52, 16525), (65, 13220), (100, 8593), (130, 6610), (260, 3305), (325, 2644), (650, 1322), (661, 1300)]