215320880

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{21193}}^1$

素因数の和:21333

約数の個数: 40

約数和(自身を含む): 504586752

約数和(自身を除く): 289265872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 21193, 42386, 84772, 105965, 169544, 211930, 339088, 423860, 847720, 1695440, 2691511, 5383022, 10766044, 13457555, 21532088, 26915110, 43064176, 53830220, 107660440, 215320880]

約数ペア:

[(1, 215320880), (2, 107660440), (4, 53830220), (5, 43064176), (8, 26915110), (10, 21532088), (16, 13457555), (20, 10766044), (40, 5383022), (80, 2691511), (127, 1695440), (254, 847720), (508, 423860), (635, 339088), (1016, 211930), (1270, 169544), (2032, 105965), (2540, 84772), (5080, 42386), (10160, 21193)]