27262220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{443}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 61090848

約数和(自身を除く): 33828628

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 181, 340, 362, 443, 724, 886, 905, 1772, 1810, 2215, 3077, 3620, 4430, 6154, 7531, 8860, 12308, 15062, 15385, 30124, 30770, 37655, 61540, 75310, 80183, 150620, 160366, 320732, 400915, 801830, 1363111, 1603660, 2726222, 5452444, 6815555, 13631110, 27262220]

約数ペア:

[(1, 27262220), (2, 13631110), (4, 6815555), (5, 5452444), (10, 2726222), (17, 1603660), (20, 1363111), (34, 801830), (68, 400915), (85, 320732), (170, 160366), (181, 150620), (340, 80183), (362, 75310), (443, 61540), (724, 37655), (886, 30770), (905, 30124), (1772, 15385), (1810, 15062), (2215, 12308), (3077, 8860), (3620, 7531), (4430, 6154)]