171089620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21227}}^1$

素因数の和:21280

約数の個数: 48

約数和(自身を含む): 399426048

約数和(自身を除く): 228336428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 21227, 42454, 84908, 106135, 212270, 275951, 424540, 551902, 658037, 1103804, 1316074, 1379755, 2632148, 2759510, 3290185, 5519020, 6580370, 8554481, 13160740, 17108962, 34217924, 42772405, 85544810, 171089620]

約数ペア:

[(1, 171089620), (2, 85544810), (4, 42772405), (5, 34217924), (10, 17108962), (13, 13160740), (20, 8554481), (26, 6580370), (31, 5519020), (52, 3290185), (62, 2759510), (65, 2632148), (124, 1379755), (130, 1316074), (155, 1103804), (260, 658037), (310, 551902), (403, 424540), (620, 275951), (806, 212270), (1612, 106135), (2015, 84908), (4030, 42454), (8060, 21227)]