78876880

素因数分解:

$2^4\times 5^1\times {\mathrm{743}}^1\times {\mathrm{1327}}^1$

素因数の和:2083

約数の個数: 40

約数和(自身を含む): 183773952

約数和(自身を除く): 104897072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 743, 1327, 1486, 2654, 2972, 3715, 5308, 5944, 6635, 7430, 10616, 11888, 13270, 14860, 21232, 26540, 29720, 53080, 59440, 106160, 985961, 1971922, 3943844, 4929805, 7887688, 9859610, 15775376, 19719220, 39438440, 78876880]

約数ペア:

[(1, 78876880), (2, 39438440), (4, 19719220), (5, 15775376), (8, 9859610), (10, 7887688), (16, 4929805), (20, 3943844), (40, 1971922), (80, 985961), (743, 106160), (1327, 59440), (1486, 53080), (2654, 29720), (2972, 26540), (3715, 21232), (5308, 14860), (5944, 13270), (6635, 11888), (7430, 10616)]