2630480

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:395

約数の個数: 40

約数和(自身を含む): 6187104

約数和(自身を除く): 3556624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 251, 262, 502, 524, 655, 1004, 1048, 1255, 1310, 2008, 2096, 2510, 2620, 4016, 5020, 5240, 10040, 10480, 20080, 32881, 65762, 131524, 164405, 263048, 328810, 526096, 657620, 1315240, 2630480]

約数ペア:

[(1, 2630480), (2, 1315240), (4, 657620), (5, 526096), (8, 328810), (10, 263048), (16, 164405), (20, 131524), (40, 65762), (80, 32881), (131, 20080), (251, 10480), (262, 10040), (502, 5240), (524, 5020), (655, 4016), (1004, 2620), (1048, 2510), (1255, 2096), (1310, 2008)]