99437720

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{12619}}^1$

素因数の和:12827

約数の個数: 32

約数和(自身を含む): 224888400

約数和(自身を除く): 125450680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 12619, 25238, 50476, 63095, 100952, 126190, 252380, 504760, 2485943, 4971886, 9943772, 12429715, 19887544, 24859430, 49718860, 99437720]

約数ペア:

[(1, 99437720), (2, 49718860), (4, 24859430), (5, 19887544), (8, 12429715), (10, 9943772), (20, 4971886), (40, 2485943), (197, 504760), (394, 252380), (788, 126190), (985, 100952), (1576, 63095), (1970, 50476), (3940, 25238), (7880, 12619)]