40097960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2017}}^1$

素因数の和:2106

約数の個数: 64

約数和(自身を含む): 104613120

約数和(自身を除く): 64515160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2017, 2485, 2840, 3976, 4034, 4970, 8068, 9940, 10085, 14119, 16136, 19880, 20170, 28238, 40340, 56476, 70595, 80680, 112952, 141190, 143207, 282380, 286414, 564760, 572828, 716035, 1002449, 1145656, 1432070, 2004898, 2864140, 4009796, 5012245, 5728280, 8019592, 10024490, 20048980, 40097960]

約数ペア:

[(1, 40097960), (2, 20048980), (4, 10024490), (5, 8019592), (7, 5728280), (8, 5012245), (10, 4009796), (14, 2864140), (20, 2004898), (28, 1432070), (35, 1145656), (40, 1002449), (56, 716035), (70, 572828), (71, 564760), (140, 286414), (142, 282380), (280, 143207), (284, 141190), (355, 112952), (497, 80680), (568, 70595), (710, 56476), (994, 40340), (1420, 28238), (1988, 20170), (2017, 19880), (2485, 16136), (2840, 14119), (3976, 10085), (4034, 9940), (4970, 8068)]