2021039240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{112031}}^1$

素因数の和:112094

約数の個数: 64

約数和(自身を含む): 5081771520

約数和(自身を除く): 3060732280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 4510, 9020, 18040, 112031, 224062, 448124, 560155, 896248, 1120310, 1232341, 2240620, 2464682, 4481240, 4593271, 4929364, 6161705, 9186542, 9858728, 12323410, 18373084, 22966355, 24646820, 36746168, 45932710, 49293640, 50525981, 91865420, 101051962, 183730840, 202103924, 252629905, 404207848, 505259810, 1010519620, 2021039240]

約数ペア:

[(1, 2021039240), (2, 1010519620), (4, 505259810), (5, 404207848), (8, 252629905), (10, 202103924), (11, 183730840), (20, 101051962), (22, 91865420), (40, 50525981), (41, 49293640), (44, 45932710), (55, 36746168), (82, 24646820), (88, 22966355), (110, 18373084), (164, 12323410), (205, 9858728), (220, 9186542), (328, 6161705), (410, 4929364), (440, 4593271), (451, 4481240), (820, 2464682), (902, 2240620), (1640, 1232341), (1804, 1120310), (2255, 896248), (3608, 560155), (4510, 448124), (9020, 224062), (18040, 112031)]