3908920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1237}}^1$

素因数の和:1327

約数の個数: 32

約数和(自身を含む): 8913600

約数和(自身を除く): 5004680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1237, 1580, 2474, 3160, 4948, 6185, 9896, 12370, 24740, 49480, 97723, 195446, 390892, 488615, 781784, 977230, 1954460, 3908920]

約数ペア:

[(1, 3908920), (2, 1954460), (4, 977230), (5, 781784), (8, 488615), (10, 390892), (20, 195446), (40, 97723), (79, 49480), (158, 24740), (316, 12370), (395, 9896), (632, 6185), (790, 4948), (1237, 3160), (1580, 2474)]