201040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{359}}^1$

素因数の和:379

約数の個数: 40

約数和(自身を含む): 535680

約数和(自身を除く): 334640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 359, 560, 718, 1436, 1795, 2513, 2872, 3590, 5026, 5744, 7180, 10052, 12565, 14360, 20104, 25130, 28720, 40208, 50260, 100520, 201040]

約数ペア:

[(1, 201040), (2, 100520), (4, 50260), (5, 40208), (7, 28720), (8, 25130), (10, 20104), (14, 14360), (16, 12565), (20, 10052), (28, 7180), (35, 5744), (40, 5026), (56, 3590), (70, 2872), (80, 2513), (112, 1795), (140, 1436), (280, 718), (359, 560)]