121286020

素因数分解:

$2^2\times 5^1\times {\mathrm{863}}^1\times {\mathrm{7027}}^1$

素因数の和:7899

約数の個数: 24

約数和(自身を含む): 255032064

約数和(自身を除く): 133746044

約数列:

[1, 2, 4, 5, 10, 20, 863, 1726, 3452, 4315, 7027, 8630, 14054, 17260, 28108, 35135, 70270, 140540, 6064301, 12128602, 24257204, 30321505, 60643010, 121286020]

約数ペア:

[(1, 121286020), (2, 60643010), (4, 30321505), (5, 24257204), (10, 12128602), (20, 6064301), (863, 140540), (1726, 70270), (3452, 35135), (4315, 28108), (7027, 17260), (8630, 14054)]