3221620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2039}}^1$

素因数の和:2127

約数の個数: 24

約数和(自身を含む): 6854400

約数和(自身を除く): 3632780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 2039, 4078, 8156, 10195, 20390, 40780, 161081, 322162, 644324, 805405, 1610810, 3221620]

約数ペア:

[(1, 3221620), (2, 1610810), (4, 805405), (5, 644324), (10, 322162), (20, 161081), (79, 40780), (158, 20390), (316, 10195), (395, 8156), (790, 4078), (1580, 2039)]