80870860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:323

約数の個数: 96

約数和(自身を含む): 202591872

約数和(自身を除く): 121721012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 73, 82, 140, 146, 164, 193, 205, 287, 292, 365, 386, 410, 511, 574, 730, 772, 820, 965, 1022, 1148, 1351, 1435, 1460, 1930, 2044, 2555, 2702, 2870, 2993, 3860, 5110, 5404, 5740, 5986, 6755, 7913, 10220, 11972, 13510, 14089, 14965, 15826, 20951, 27020, 28178, 29930, 31652, 39565, 41902, 55391, 56356, 59860, 70445, 79130, 83804, 98623, 104755, 110782, 140890, 158260, 197246, 209510, 221564, 276955, 281780, 394492, 419020, 493115, 553910, 577649, 986230, 1107820, 1155298, 1972460, 2310596, 2888245, 4043543, 5776490, 8087086, 11552980, 16174172, 20217715, 40435430, 80870860]

約数ペア:

[(1, 80870860), (2, 40435430), (4, 20217715), (5, 16174172), (7, 11552980), (10, 8087086), (14, 5776490), (20, 4043543), (28, 2888245), (35, 2310596), (41, 1972460), (70, 1155298), (73, 1107820), (82, 986230), (140, 577649), (146, 553910), (164, 493115), (193, 419020), (205, 394492), (287, 281780), (292, 276955), (365, 221564), (386, 209510), (410, 197246), (511, 158260), (574, 140890), (730, 110782), (772, 104755), (820, 98623), (965, 83804), (1022, 79130), (1148, 70445), (1351, 59860), (1435, 56356), (1460, 55391), (1930, 41902), (2044, 39565), (2555, 31652), (2702, 29930), (2870, 28178), (2993, 27020), (3860, 20951), (5110, 15826), (5404, 14965), (5740, 14089), (5986, 13510), (6755, 11972), (7913, 10220)]