2271560

素因数分解:

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

素因数の和:641

約数の個数: 32

約数和(自身を含む): 5167800

約数和(自身を除く): 2896240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 521, 545, 872, 1042, 1090, 2084, 2180, 2605, 4168, 4360, 5210, 10420, 20840, 56789, 113578, 227156, 283945, 454312, 567890, 1135780, 2271560]

約数ペア:

[(1, 2271560), (2, 1135780), (4, 567890), (5, 454312), (8, 283945), (10, 227156), (20, 113578), (40, 56789), (109, 20840), (218, 10420), (436, 5210), (521, 4360), (545, 4168), (872, 2605), (1042, 2180), (1090, 2084)]