25745990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{563}}^1$

素因数の和:856

約数の個数: 32

約数和(自身を含む): 49338720

約数和(自身を除く): 23592730

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 269, 538, 563, 1126, 1345, 2690, 2815, 4573, 5630, 9146, 9571, 19142, 22865, 45730, 47855, 95710, 151447, 302894, 757235, 1514470, 2574599, 5149198, 12872995, 25745990]

約数ペア:

[(1, 25745990), (2, 12872995), (5, 5149198), (10, 2574599), (17, 1514470), (34, 757235), (85, 302894), (170, 151447), (269, 95710), (538, 47855), (563, 45730), (1126, 22865), (1345, 19142), (2690, 9571), (2815, 9146), (4573, 5630)]