27720286280

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{49363}}^1$

素因数の和:49614

約数の個数: 64

約数和(自身を含む): 63442612800

約数和(自身を除く): 35722326520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 139, 202, 278, 404, 505, 556, 695, 808, 1010, 1112, 1390, 2020, 2780, 4040, 5560, 14039, 28078, 49363, 56156, 70195, 98726, 112312, 140390, 197452, 246815, 280780, 394904, 493630, 561560, 987260, 1974520, 4985663, 6861457, 9971326, 13722914, 19942652, 24928315, 27445828, 34307285, 39885304, 49856630, 54891656, 68614570, 99713260, 137229140, 199426520, 274458280, 693007157, 1386014314, 2772028628, 3465035785, 5544057256, 6930071570, 13860143140, 27720286280]

約数ペア:

[(1, 27720286280), (2, 13860143140), (4, 6930071570), (5, 5544057256), (8, 3465035785), (10, 2772028628), (20, 1386014314), (40, 693007157), (101, 274458280), (139, 199426520), (202, 137229140), (278, 99713260), (404, 68614570), (505, 54891656), (556, 49856630), (695, 39885304), (808, 34307285), (1010, 27445828), (1112, 24928315), (1390, 19942652), (2020, 13722914), (2780, 9971326), (4040, 6861457), (5560, 4985663), (14039, 1974520), (28078, 987260), (49363, 561560), (56156, 493630), (70195, 394904), (98726, 280780), (112312, 246815), (140390, 197452)]