54970340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1559}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 121080960

約数和(自身を除く): 66110620

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1559, 1763, 3118, 3526, 6236, 7052, 7795, 8815, 15590, 17630, 31180, 35260, 63919, 67037, 127838, 134074, 255676, 268148, 319595, 335185, 639190, 670370, 1278380, 1340740, 2748517, 5497034, 10994068, 13742585, 27485170, 54970340]

約数ペア:

[(1, 54970340), (2, 27485170), (4, 13742585), (5, 10994068), (10, 5497034), (20, 2748517), (41, 1340740), (43, 1278380), (82, 670370), (86, 639190), (164, 335185), (172, 319595), (205, 268148), (215, 255676), (410, 134074), (430, 127838), (820, 67037), (860, 63919), (1559, 35260), (1763, 31180), (3118, 17630), (3526, 15590), (6236, 8815), (7052, 7795)]