2031760

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:355

約数の個数: 40

約数和(自身を含む): 4787640

約数和(自身を除く): 2755880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 233, 436, 466, 545, 872, 932, 1090, 1165, 1744, 1864, 2180, 2330, 3728, 4360, 4660, 8720, 9320, 18640, 25397, 50794, 101588, 126985, 203176, 253970, 406352, 507940, 1015880, 2031760]

約数ペア:

[(1, 2031760), (2, 1015880), (4, 507940), (5, 406352), (8, 253970), (10, 203176), (16, 126985), (20, 101588), (40, 50794), (80, 25397), (109, 18640), (218, 9320), (233, 8720), (436, 4660), (466, 4360), (545, 3728), (872, 2330), (932, 2180), (1090, 1864), (1165, 1744)]