24705520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:458

約数の個数: 80

約数和(自身を含む): 66299328

約数和(自身を除く): 41593808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 281, 314, 560, 562, 628, 785, 1099, 1124, 1256, 1405, 1570, 1967, 2198, 2248, 2512, 2810, 3140, 3934, 4396, 4496, 5495, 5620, 6280, 7868, 8792, 9835, 10990, 11240, 12560, 15736, 17584, 19670, 21980, 22480, 31472, 39340, 43960, 44117, 78680, 87920, 88234, 157360, 176468, 220585, 308819, 352936, 441170, 617638, 705872, 882340, 1235276, 1544095, 1764680, 2470552, 3088190, 3529360, 4941104, 6176380, 12352760, 24705520]

約数ペア:

[(1, 24705520), (2, 12352760), (4, 6176380), (5, 4941104), (7, 3529360), (8, 3088190), (10, 2470552), (14, 1764680), (16, 1544095), (20, 1235276), (28, 882340), (35, 705872), (40, 617638), (56, 441170), (70, 352936), (80, 308819), (112, 220585), (140, 176468), (157, 157360), (280, 88234), (281, 87920), (314, 78680), (560, 44117), (562, 43960), (628, 39340), (785, 31472), (1099, 22480), (1124, 21980), (1256, 19670), (1405, 17584), (1570, 15736), (1967, 12560), (2198, 11240), (2248, 10990), (2512, 9835), (2810, 8792), (3140, 7868), (3934, 6280), (4396, 5620), (4496, 5495)]