8487200

素因数分解:

$2^5\times 5^2\times {\mathrm{103}}^2$

素因数の和:226

約数の個数: 54

約数和(自身を含む): 20922489

約数和(自身を除く): 12435289

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 103, 160, 200, 206, 400, 412, 515, 800, 824, 1030, 1648, 2060, 2575, 3296, 4120, 5150, 8240, 10300, 10609, 16480, 20600, 21218, 41200, 42436, 53045, 82400, 84872, 106090, 169744, 212180, 265225, 339488, 424360, 530450, 848720, 1060900, 1697440, 2121800, 4243600, 8487200]

約数ペア:

[(1, 8487200), (2, 4243600), (4, 2121800), (5, 1697440), (8, 1060900), (10, 848720), (16, 530450), (20, 424360), (25, 339488), (32, 265225), (40, 212180), (50, 169744), (80, 106090), (100, 84872), (103, 82400), (160, 53045), (200, 42436), (206, 41200), (400, 21218), (412, 20600), (515, 16480), (800, 10609), (824, 10300), (1030, 8240), (1648, 5150), (2060, 4120), (2575, 3296)]