138810520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{150881}}^1$

素因数の和:150915

約数の個数: 32

約数和(自身を含む): 325905120

約数和(自身を除く): 187094600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 150881, 301762, 603524, 754405, 1207048, 1508810, 3017620, 3470263, 6035240, 6940526, 13881052, 17351315, 27762104, 34702630, 69405260, 138810520]

約数ペア:

[(1, 138810520), (2, 69405260), (4, 34702630), (5, 27762104), (8, 17351315), (10, 13881052), (20, 6940526), (23, 6035240), (40, 3470263), (46, 3017620), (92, 1508810), (115, 1207048), (184, 754405), (230, 603524), (460, 301762), (920, 150881)]