16504780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 35814240

約数和(自身を除く): 19309460

約数列:

[1, 2, 4, 5, 10, 20, 67, 109, 113, 134, 218, 226, 268, 335, 436, 452, 545, 565, 670, 1090, 1130, 1340, 2180, 2260, 7303, 7571, 12317, 14606, 15142, 24634, 29212, 30284, 36515, 37855, 49268, 61585, 73030, 75710, 123170, 146060, 151420, 246340, 825239, 1650478, 3300956, 4126195, 8252390, 16504780]

約数ペア:

[(1, 16504780), (2, 8252390), (4, 4126195), (5, 3300956), (10, 1650478), (20, 825239), (67, 246340), (109, 151420), (113, 146060), (134, 123170), (218, 75710), (226, 73030), (268, 61585), (335, 49268), (436, 37855), (452, 36515), (545, 30284), (565, 29212), (670, 24634), (1090, 15142), (1130, 14606), (1340, 12317), (2180, 7571), (2260, 7303)]