2690720

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:333

約数の個数: 48

約数和(自身を含む): 6477408

約数和(自身を除く): 3786688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 251, 268, 335, 502, 536, 670, 1004, 1072, 1255, 1340, 2008, 2144, 2510, 2680, 4016, 5020, 5360, 8032, 10040, 10720, 16817, 20080, 33634, 40160, 67268, 84085, 134536, 168170, 269072, 336340, 538144, 672680, 1345360, 2690720]

約数ペア:

[(1, 2690720), (2, 1345360), (4, 672680), (5, 538144), (8, 336340), (10, 269072), (16, 168170), (20, 134536), (32, 84085), (40, 67268), (67, 40160), (80, 33634), (134, 20080), (160, 16817), (251, 10720), (268, 10040), (335, 8032), (502, 5360), (536, 5020), (670, 4016), (1004, 2680), (1072, 2510), (1255, 2144), (1340, 2008)]