40959620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{599}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 93139200

約数和(自身を除く): 52179580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263, 526, 599, 1052, 1198, 1315, 2396, 2630, 2995, 3419, 5260, 5990, 6838, 7787, 11980, 13676, 15574, 17095, 31148, 34190, 38935, 68380, 77870, 155740, 157537, 315074, 630148, 787685, 1575370, 2047981, 3150740, 4095962, 8191924, 10239905, 20479810, 40959620]

約数ペア:

[(1, 40959620), (2, 20479810), (4, 10239905), (5, 8191924), (10, 4095962), (13, 3150740), (20, 2047981), (26, 1575370), (52, 787685), (65, 630148), (130, 315074), (260, 157537), (263, 155740), (526, 77870), (599, 68380), (1052, 38935), (1198, 34190), (1315, 31148), (2396, 17095), (2630, 15574), (2995, 13676), (3419, 11980), (5260, 7787), (5990, 6838)]