156712012280

素因数分解:

$2^3\times 5^1\times {\mathrm{309781}}^1\times {\mathrm{12647}}^1$

素因数の和:322439

約数の個数: 32

約数和(自身を含む): 352631046240

約数和(自身を除く): 195919033960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 12647, 25294, 50588, 63235, 101176, 126470, 252940, 309781, 505880, 619562, 1239124, 1548905, 2478248, 3097810, 6195620, 12391240, 3917800307, 7835600614, 15671201228, 19589001535, 31342402456, 39178003070, 78356006140, 156712012280]

約数ペア:

[(1, 156712012280), (2, 78356006140), (4, 39178003070), (5, 31342402456), (8, 19589001535), (10, 15671201228), (20, 7835600614), (40, 3917800307), (12647, 12391240), (25294, 6195620), (50588, 3097810), (63235, 2478248), (101176, 1548905), (126470, 1239124), (252940, 619562), (309781, 505880)]