40830680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1307}}^1$

素因数の和:1400

約数の個数: 64

約数和(自身を含む): 101710080

約数和(自身を除く): 60879400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1307, 1420, 1562, 2614, 2840, 3124, 3905, 5228, 6248, 6535, 7810, 10456, 13070, 14377, 15620, 26140, 28754, 31240, 52280, 57508, 71885, 92797, 115016, 143770, 185594, 287540, 371188, 463985, 575080, 742376, 927970, 1020767, 1855940, 2041534, 3711880, 4083068, 5103835, 8166136, 10207670, 20415340, 40830680]

約数ペア:

[(1, 40830680), (2, 20415340), (4, 10207670), (5, 8166136), (8, 5103835), (10, 4083068), (11, 3711880), (20, 2041534), (22, 1855940), (40, 1020767), (44, 927970), (55, 742376), (71, 575080), (88, 463985), (110, 371188), (142, 287540), (220, 185594), (284, 143770), (355, 115016), (440, 92797), (568, 71885), (710, 57508), (781, 52280), (1307, 31240), (1420, 28754), (1562, 26140), (2614, 15620), (2840, 14377), (3124, 13070), (3905, 10456), (5228, 7810), (6248, 6535)]