127740010

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{311561}}^1$

素因数の和:311609

約数の個数: 16

約数和(自身を含む): 235540872

約数和(自身を除く): 107800862

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 311561, 623122, 1557805, 3115610, 12774001, 25548002, 63870005, 127740010]

約数ペア:

[(1, 127740010), (2, 63870005), (5, 25548002), (10, 12774001), (41, 3115610), (82, 1557805), (205, 623122), (410, 311561)]