23218280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13499}}^1$

素因数の和:13553

約数の個数: 32

約数和(自身を含む): 53460000

約数和(自身を除く): 30241720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 13499, 26998, 53996, 67495, 107992, 134990, 269980, 539960, 580457, 1160914, 2321828, 2902285, 4643656, 5804570, 11609140, 23218280]

約数ペア:

[(1, 23218280), (2, 11609140), (4, 5804570), (5, 4643656), (8, 2902285), (10, 2321828), (20, 1160914), (40, 580457), (43, 539960), (86, 269980), (172, 134990), (215, 107992), (344, 67495), (430, 53996), (860, 26998), (1720, 13499)]