12818350

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:265

約数の個数: 48

約数和(自身を含む): 25534080

約数和(自身を除く): 12715730

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 103, 131, 190, 206, 262, 475, 515, 655, 950, 1030, 1310, 1957, 2489, 2575, 3275, 3914, 4978, 5150, 6550, 9785, 12445, 13493, 19570, 24890, 26986, 48925, 62225, 67465, 97850, 124450, 134930, 256367, 337325, 512734, 674650, 1281835, 2563670, 6409175, 12818350]

約数ペア:

[(1, 12818350), (2, 6409175), (5, 2563670), (10, 1281835), (19, 674650), (25, 512734), (38, 337325), (50, 256367), (95, 134930), (103, 124450), (131, 97850), (190, 67465), (206, 62225), (262, 48925), (475, 26986), (515, 24890), (655, 19570), (950, 13493), (1030, 12445), (1310, 9785), (1957, 6550), (2489, 5150), (2575, 4978), (3275, 3914)]