22728820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^2$

素因数の和:324

約数の個数: 36

約数和(自身を含む): 48697740

約数和(自身を除く): 25968920

約数列:

[1, 2, 4, 5, 10, 20, 89, 113, 178, 226, 356, 445, 452, 565, 890, 1130, 1780, 2260, 10057, 12769, 20114, 25538, 40228, 50285, 51076, 63845, 100570, 127690, 201140, 255380, 1136441, 2272882, 4545764, 5682205, 11364410, 22728820]

約数ペア:

[(1, 22728820), (2, 11364410), (4, 5682205), (5, 4545764), (10, 2272882), (20, 1136441), (89, 255380), (113, 201140), (178, 127690), (226, 100570), (356, 63845), (445, 51076), (452, 50285), (565, 40228), (890, 25538), (1130, 20114), (1780, 12769), (2260, 10057)]