27123980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{104323}}^1$

素因数の和:104345

約数の個数: 24

約数和(自身を含む): 61342512

約数和(自身を除く): 34218532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 104323, 208646, 417292, 521615, 1043230, 1356199, 2086460, 2712398, 5424796, 6780995, 13561990, 27123980]

約数ペア:

[(1, 27123980), (2, 13561990), (4, 6780995), (5, 5424796), (10, 2712398), (13, 2086460), (20, 1356199), (26, 1043230), (52, 521615), (65, 417292), (130, 208646), (260, 104323)]