26691740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18797}}^1$

素因数の和:18877

約数の個数: 24

約数和(自身を含む): 56845152

約数和(自身を除く): 30153412

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 18797, 37594, 75188, 93985, 187970, 375940, 1334587, 2669174, 5338348, 6672935, 13345870, 26691740]

約数ペア:

[(1, 26691740), (2, 13345870), (4, 6672935), (5, 5338348), (10, 2669174), (20, 1334587), (71, 375940), (142, 187970), (284, 93985), (355, 75188), (710, 37594), (1420, 18797)]