2282440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1327}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 5258880

約数和(自身を除く): 2976440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1327, 1720, 2654, 5308, 6635, 10616, 13270, 26540, 53080, 57061, 114122, 228244, 285305, 456488, 570610, 1141220, 2282440]

約数ペア:

[(1, 2282440), (2, 1141220), (4, 570610), (5, 456488), (8, 285305), (10, 228244), (20, 114122), (40, 57061), (43, 53080), (86, 26540), (172, 13270), (215, 10616), (344, 6635), (430, 5308), (860, 2654), (1327, 1720)]