2116749640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{10163}}^1$

素因数の和:10342

約数の個数: 64

約数和(自身を含む): 4917749760

約数和(自身を除く): 2801000120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 127, 164, 205, 254, 328, 410, 508, 635, 820, 1016, 1270, 1640, 2540, 5080, 5207, 10163, 10414, 20326, 20828, 26035, 40652, 41656, 50815, 52070, 81304, 101630, 104140, 203260, 208280, 406520, 416683, 833366, 1290701, 1666732, 2083415, 2581402, 3333464, 4166830, 5162804, 6453505, 8333660, 10325608, 12907010, 16667320, 25814020, 51628040, 52918741, 105837482, 211674964, 264593705, 423349928, 529187410, 1058374820, 2116749640]

約数ペア:

[(1, 2116749640), (2, 1058374820), (4, 529187410), (5, 423349928), (8, 264593705), (10, 211674964), (20, 105837482), (40, 52918741), (41, 51628040), (82, 25814020), (127, 16667320), (164, 12907010), (205, 10325608), (254, 8333660), (328, 6453505), (410, 5162804), (508, 4166830), (635, 3333464), (820, 2581402), (1016, 2083415), (1270, 1666732), (1640, 1290701), (2540, 833366), (5080, 416683), (5207, 406520), (10163, 208280), (10414, 203260), (20326, 104140), (20828, 101630), (26035, 81304), (40652, 52070), (41656, 50815)]