40521040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10337}}^1$

素因数の和:10364

約数の個数: 60

約数和(自身を含む): 109603476

約数和(自身を除く): 69082436

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, 392, 490, 560, 784, 980, 1960, 3920, 10337, 20674, 41348, 51685, 72359, 82696, 103370, 144718, 165392, 206740, 289436, 361795, 413480, 506513, 578872, 723590, 826960, 1013026, 1157744, 1447180, 2026052, 2532565, 2894360, 4052104, 5065130, 5788720, 8104208, 10130260, 20260520, 40521040]

約数ペア:

[(1, 40521040), (2, 20260520), (4, 10130260), (5, 8104208), (7, 5788720), (8, 5065130), (10, 4052104), (14, 2894360), (16, 2532565), (20, 2026052), (28, 1447180), (35, 1157744), (40, 1013026), (49, 826960), (56, 723590), (70, 578872), (80, 506513), (98, 413480), (112, 361795), (140, 289436), (196, 206740), (245, 165392), (280, 144718), (392, 103370), (490, 82696), (560, 72359), (784, 51685), (980, 41348), (1960, 20674), (3920, 10337)]