636220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2447}}^1$

素因数の和:2469

約数の個数: 24

約数和(自身を含む): 1439424

約数和(自身を除く): 803204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2447, 4894, 9788, 12235, 24470, 31811, 48940, 63622, 127244, 159055, 318110, 636220]

約数ペア:

[(1, 636220), (2, 318110), (4, 159055), (5, 127244), (10, 63622), (13, 48940), (20, 31811), (26, 24470), (52, 12235), (65, 9788), (130, 4894), (260, 2447)]