8712680

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3251}}^1$

素因数の和:3329

約数の個数: 32

約数和(自身を含む): 19902240

約数和(自身を除く): 11189560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 3251, 6502, 13004, 16255, 26008, 32510, 65020, 130040, 217817, 435634, 871268, 1089085, 1742536, 2178170, 4356340, 8712680]

約数ペア:

[(1, 8712680), (2, 4356340), (4, 2178170), (5, 1742536), (8, 1089085), (10, 871268), (20, 435634), (40, 217817), (67, 130040), (134, 65020), (268, 32510), (335, 26008), (536, 16255), (670, 13004), (1340, 6502), (2680, 3251)]