26840840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:822

約数の個数: 64

約数和(自身を含む): 66044160

約数和(自身を除く): 39203320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 727, 923, 1420, 1454, 1846, 2840, 2908, 3635, 3692, 4615, 5816, 7270, 7384, 9230, 9451, 14540, 18460, 18902, 29080, 36920, 37804, 47255, 51617, 75608, 94510, 103234, 189020, 206468, 258085, 378040, 412936, 516170, 671021, 1032340, 1342042, 2064680, 2684084, 3355105, 5368168, 6710210, 13420420, 26840840]

約数ペア:

[(1, 26840840), (2, 13420420), (4, 6710210), (5, 5368168), (8, 3355105), (10, 2684084), (13, 2064680), (20, 1342042), (26, 1032340), (40, 671021), (52, 516170), (65, 412936), (71, 378040), (104, 258085), (130, 206468), (142, 189020), (260, 103234), (284, 94510), (355, 75608), (520, 51617), (568, 47255), (710, 37804), (727, 36920), (923, 29080), (1420, 18902), (1454, 18460), (1846, 14540), (2840, 9451), (2908, 9230), (3635, 7384), (3692, 7270), (4615, 5816)]