2544880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2447}}^1$

素因数の和:2473

約数の個数: 40

約数和(自身を含む): 6374592

約数和(自身を除く): 3829712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2447, 4894, 9788, 12235, 19576, 24470, 31811, 39152, 48940, 63622, 97880, 127244, 159055, 195760, 254488, 318110, 508976, 636220, 1272440, 2544880]

約数ペア:

[(1, 2544880), (2, 1272440), (4, 636220), (5, 508976), (8, 318110), (10, 254488), (13, 195760), (16, 159055), (20, 127244), (26, 97880), (40, 63622), (52, 48940), (65, 39152), (80, 31811), (104, 24470), (130, 19576), (208, 12235), (260, 9788), (520, 4894), (1040, 2447)]