12556625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 17521920

約数和(自身を除く): 4965295

約数列:

[1, 5, 17, 19, 25, 85, 95, 125, 311, 323, 425, 475, 1555, 1615, 2125, 2375, 5287, 5909, 7775, 8075, 26435, 29545, 38875, 40375, 100453, 132175, 147725, 502265, 660875, 738625, 2511325, 12556625]

約数ペア:

[(1, 12556625), (5, 2511325), (17, 738625), (19, 660875), (25, 502265), (85, 147725), (95, 132175), (125, 100453), (311, 40375), (323, 38875), (425, 29545), (475, 26435), (1555, 8075), (1615, 7775), (2125, 5909), (2375, 5287)]