28236440

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6247}}^1$

素因数の和:6371

約数の個数: 32

約数和(自身を含む): 64104480

約数和(自身を除く): 35868040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 6247, 12494, 24988, 31235, 49976, 62470, 124940, 249880, 705911, 1411822, 2823644, 3529555, 5647288, 7059110, 14118220, 28236440]

約数ペア:

[(1, 28236440), (2, 14118220), (4, 7059110), (5, 5647288), (8, 3529555), (10, 2823644), (20, 1411822), (40, 705911), (113, 249880), (226, 124940), (452, 62470), (565, 49976), (904, 31235), (1130, 24988), (2260, 12494), (4520, 6247)]