20162825840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{323537}}^1$

素因数の和:323610

約数の個数: 80

約数和(自身を含む): 50549577120

約数和(自身を除く): 30386751280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 656, 760, 779, 820, 1520, 1558, 1640, 3116, 3280, 3895, 6232, 7790, 12464, 15580, 31160, 62320, 323537, 647074, 1294148, 1617685, 2588296, 3235370, 5176592, 6147203, 6470740, 12294406, 12941480, 13265017, 24588812, 25882960, 26530034, 30736015, 49177624, 53060068, 61472030, 66325085, 98355248, 106120136, 122944060, 132650170, 212240272, 245888120, 252035323, 265300340, 491776240, 504070646, 530600680, 1008141292, 1061201360, 1260176615, 2016282584, 2520353230, 4032565168, 5040706460, 10081412920, 20162825840]

約数ペア:

[(1, 20162825840), (2, 10081412920), (4, 5040706460), (5, 4032565168), (8, 2520353230), (10, 2016282584), (16, 1260176615), (19, 1061201360), (20, 1008141292), (38, 530600680), (40, 504070646), (41, 491776240), (76, 265300340), (80, 252035323), (82, 245888120), (95, 212240272), (152, 132650170), (164, 122944060), (190, 106120136), (205, 98355248), (304, 66325085), (328, 61472030), (380, 53060068), (410, 49177624), (656, 30736015), (760, 26530034), (779, 25882960), (820, 24588812), (1520, 13265017), (1558, 12941480), (1640, 12294406), (3116, 6470740), (3280, 6147203), (3895, 5176592), (6232, 3235370), (7790, 2588296), (12464, 1617685), (15580, 1294148), (31160, 647074), (62320, 323537)]