126924520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 294794640

約数和(自身を除く): 167870120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 193, 205, 328, 386, 401, 410, 772, 802, 820, 965, 1544, 1604, 1640, 1930, 2005, 3208, 3860, 4010, 7720, 7913, 8020, 15826, 16040, 16441, 31652, 32882, 39565, 63304, 65764, 77393, 79130, 82205, 131528, 154786, 158260, 164410, 309572, 316520, 328820, 386965, 619144, 657640, 773930, 1547860, 3095720, 3173113, 6346226, 12692452, 15865565, 25384904, 31731130, 63462260, 126924520]

約数ペア:

[(1, 126924520), (2, 63462260), (4, 31731130), (5, 25384904), (8, 15865565), (10, 12692452), (20, 6346226), (40, 3173113), (41, 3095720), (82, 1547860), (164, 773930), (193, 657640), (205, 619144), (328, 386965), (386, 328820), (401, 316520), (410, 309572), (772, 164410), (802, 158260), (820, 154786), (965, 131528), (1544, 82205), (1604, 79130), (1640, 77393), (1930, 65764), (2005, 63304), (3208, 39565), (3860, 32882), (4010, 31652), (7720, 16441), (7913, 16040), (8020, 15826)]