26458940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{787}}^1$

素因数の和:878

約数の個数: 36

約数和(自身を含む): 57024408

約数和(自身を除く): 30565468

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 787, 820, 1574, 1681, 3148, 3362, 3935, 6724, 7870, 8405, 15740, 16810, 32267, 33620, 64534, 129068, 161335, 322670, 645340, 1322947, 2645894, 5291788, 6614735, 13229470, 26458940]

約数ペア:

[(1, 26458940), (2, 13229470), (4, 6614735), (5, 5291788), (10, 2645894), (20, 1322947), (41, 645340), (82, 322670), (164, 161335), (205, 129068), (410, 64534), (787, 33620), (820, 32267), (1574, 16810), (1681, 15740), (3148, 8405), (3362, 7870), (3935, 6724)]