13864240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13331}}^1$

素因数の和:13357

約数の個数: 40

約数和(自身を含む): 34716528

約数和(自身を除く): 20852288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 13331, 26662, 53324, 66655, 106648, 133310, 173303, 213296, 266620, 346606, 533240, 693212, 866515, 1066480, 1386424, 1733030, 2772848, 3466060, 6932120, 13864240]

約数ペア:

[(1, 13864240), (2, 6932120), (4, 3466060), (5, 2772848), (8, 1733030), (10, 1386424), (13, 1066480), (16, 866515), (20, 693212), (26, 533240), (40, 346606), (52, 266620), (65, 213296), (80, 173303), (104, 133310), (130, 106648), (208, 66655), (260, 53324), (520, 26662), (1040, 13331)]