2608580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 6021120

約数和(自身を除く): 3412540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 127, 130, 158, 254, 260, 316, 395, 508, 635, 790, 1027, 1270, 1580, 1651, 2054, 2540, 3302, 4108, 5135, 6604, 8255, 10033, 10270, 16510, 20066, 20540, 33020, 40132, 50165, 100330, 130429, 200660, 260858, 521716, 652145, 1304290, 2608580]

約数ペア:

[(1, 2608580), (2, 1304290), (4, 652145), (5, 521716), (10, 260858), (13, 200660), (20, 130429), (26, 100330), (52, 50165), (65, 40132), (79, 33020), (127, 20540), (130, 20066), (158, 16510), (254, 10270), (260, 10033), (316, 8255), (395, 6604), (508, 5135), (635, 4108), (790, 3302), (1027, 2540), (1270, 2054), (1580, 1651)]