40803280

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{1487}}^1$

素因数の和:1521

約数の個数: 80

約数和(自身を含む): 110707200

約数和(自身を除く): 69903920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1487, 1715, 1960, 2744, 2974, 3430, 3920, 5488, 5948, 6860, 7435, 10409, 11896, 13720, 14870, 20818, 23792, 27440, 29740, 41636, 52045, 59480, 72863, 83272, 104090, 118960, 145726, 166544, 208180, 291452, 364315, 416360, 510041, 582904, 728630, 832720, 1020082, 1165808, 1457260, 2040164, 2550205, 2914520, 4080328, 5100410, 5829040, 8160656, 10200820, 20401640, 40803280]

約数ペア:

[(1, 40803280), (2, 20401640), (4, 10200820), (5, 8160656), (7, 5829040), (8, 5100410), (10, 4080328), (14, 2914520), (16, 2550205), (20, 2040164), (28, 1457260), (35, 1165808), (40, 1020082), (49, 832720), (56, 728630), (70, 582904), (80, 510041), (98, 416360), (112, 364315), (140, 291452), (196, 208180), (245, 166544), (280, 145726), (343, 118960), (392, 104090), (490, 83272), (560, 72863), (686, 59480), (784, 52045), (980, 41636), (1372, 29740), (1487, 27440), (1715, 23792), (1960, 20818), (2744, 14870), (2974, 13720), (3430, 11896), (3920, 10409), (5488, 7435), (5948, 6860)]