26864840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16381}}^1$

素因数の和:16433

約数の個数: 32

約数和(自身を含む): 61923960

約数和(自身を除く): 35059120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 16381, 32762, 65524, 81905, 131048, 163810, 327620, 655240, 671621, 1343242, 2686484, 3358105, 5372968, 6716210, 13432420, 26864840]

約数ペア:

[(1, 26864840), (2, 13432420), (4, 6716210), (5, 5372968), (8, 3358105), (10, 2686484), (20, 1343242), (40, 671621), (41, 655240), (82, 327620), (164, 163810), (205, 131048), (328, 81905), (410, 65524), (820, 32762), (1640, 16381)]