83164720

素因数分解:

$2^4\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1049}}^1$

素因数の和:2053

約数の個数: 40

約数和(自身を含む): 193737600

約数和(自身を除く): 110572880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 991, 1049, 1982, 2098, 3964, 4196, 4955, 5245, 7928, 8392, 9910, 10490, 15856, 16784, 19820, 20980, 39640, 41960, 79280, 83920, 1039559, 2079118, 4158236, 5197795, 8316472, 10395590, 16632944, 20791180, 41582360, 83164720]

約数ペア:

[(1, 83164720), (2, 41582360), (4, 20791180), (5, 16632944), (8, 10395590), (10, 8316472), (16, 5197795), (20, 4158236), (40, 2079118), (80, 1039559), (991, 83920), (1049, 79280), (1982, 41960), (2098, 39640), (3964, 20980), (4196, 19820), (4955, 16784), (5245, 15856), (7928, 10490), (8392, 9910)]