12783520

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{733}}^1$

素因数の和:857

約数の個数: 48

約数和(自身を含む): 30519720

約数和(自身を除く): 17736200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 733, 872, 1090, 1466, 1744, 2180, 2932, 3488, 3665, 4360, 5864, 7330, 8720, 11728, 14660, 17440, 23456, 29320, 58640, 79897, 117280, 159794, 319588, 399485, 639176, 798970, 1278352, 1597940, 2556704, 3195880, 6391760, 12783520]

約数ペア:

[(1, 12783520), (2, 6391760), (4, 3195880), (5, 2556704), (8, 1597940), (10, 1278352), (16, 798970), (20, 639176), (32, 399485), (40, 319588), (80, 159794), (109, 117280), (160, 79897), (218, 58640), (436, 29320), (545, 23456), (733, 17440), (872, 14660), (1090, 11728), (1466, 8720), (1744, 7330), (2180, 5864), (2932, 4360), (3488, 3665)]