13518648650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20797921}}^1$

素因数の和:20797946

約数の個数: 24

約数和(自身を含む): 27078894444

約数和(自身を除く): 13560245794

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 20797921, 41595842, 103989605, 207979210, 270372973, 519948025, 540745946, 1039896050, 1351864865, 2703729730, 6759324325, 13518648650]

約数ペア:

[(1, 13518648650), (2, 6759324325), (5, 2703729730), (10, 1351864865), (13, 1039896050), (25, 540745946), (26, 519948025), (50, 270372973), (65, 207979210), (130, 103989605), (325, 41595842), (650, 20797921)]