27578920

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2083}}^1$

素因数の和:2425

約数の個数: 32

約数和(自身を含む): 62269920

約数和(自身を除く): 34691000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2083, 2648, 3310, 4166, 6620, 8332, 10415, 13240, 16664, 20830, 41660, 83320, 689473, 1378946, 2757892, 3447365, 5515784, 6894730, 13789460, 27578920]

約数ペア:

[(1, 27578920), (2, 13789460), (4, 6894730), (5, 5515784), (8, 3447365), (10, 2757892), (20, 1378946), (40, 689473), (331, 83320), (662, 41660), (1324, 20830), (1655, 16664), (2083, 13240), (2648, 10415), (3310, 8332), (4166, 6620)]