7180580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 16644096

約数和(自身を除く): 9463516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 127, 220, 254, 257, 508, 514, 635, 1028, 1270, 1285, 1397, 2540, 2570, 2794, 2827, 5140, 5588, 5654, 6985, 11308, 13970, 14135, 27940, 28270, 32639, 56540, 65278, 130556, 163195, 326390, 359029, 652780, 718058, 1436116, 1795145, 3590290, 7180580]

約数ペア:

[(1, 7180580), (2, 3590290), (4, 1795145), (5, 1436116), (10, 718058), (11, 652780), (20, 359029), (22, 326390), (44, 163195), (55, 130556), (110, 65278), (127, 56540), (220, 32639), (254, 28270), (257, 27940), (508, 14135), (514, 13970), (635, 11308), (1028, 6985), (1270, 5654), (1285, 5588), (1397, 5140), (2540, 2827), (2570, 2794)]