11357800

素因数分解:

$2^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 26700300

約数和(自身を除く): 15342500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 200, 218, 436, 521, 545, 872, 1042, 1090, 2084, 2180, 2605, 2725, 4168, 4360, 5210, 5450, 10420, 10900, 13025, 20840, 21800, 26050, 52100, 56789, 104200, 113578, 227156, 283945, 454312, 567890, 1135780, 1419725, 2271560, 2839450, 5678900, 11357800]

約数ペア:

[(1, 11357800), (2, 5678900), (4, 2839450), (5, 2271560), (8, 1419725), (10, 1135780), (20, 567890), (25, 454312), (40, 283945), (50, 227156), (100, 113578), (109, 104200), (200, 56789), (218, 52100), (436, 26050), (521, 21800), (545, 20840), (872, 13025), (1042, 10900), (1090, 10420), (2084, 5450), (2180, 5210), (2605, 4360), (2725, 4168)]