3897860

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2467}}^1$

素因数の和:2555

約数の個数: 24

約数和(自身を含む): 8292480

約数和(自身を除く): 4394620

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 2467, 4934, 9868, 12335, 24670, 49340, 194893, 389786, 779572, 974465, 1948930, 3897860]

約数ペア:

[(1, 3897860), (2, 1948930), (4, 974465), (5, 779572), (10, 389786), (20, 194893), (79, 49340), (158, 24670), (316, 12335), (395, 9868), (790, 4934), (1580, 2467)]