15965300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{12281}}^1$

素因数の和:12308

約数の個数: 36

約数和(自身を含む): 37312716

約数和(自身を除く): 21347416

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 12281, 24562, 49124, 61405, 122810, 159653, 245620, 307025, 319306, 614050, 638612, 798265, 1228100, 1596530, 3193060, 3991325, 7982650, 15965300]

約数ペア:

[(1, 15965300), (2, 7982650), (4, 3991325), (5, 3193060), (10, 1596530), (13, 1228100), (20, 798265), (25, 638612), (26, 614050), (50, 319306), (52, 307025), (65, 245620), (100, 159653), (130, 122810), (260, 61405), (325, 49124), (650, 24562), (1300, 12281)]