64517180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{35449}}^1$

素因数の和:35478

約数の個数: 48

約数和(自身を含む): 166756800

約数和(自身を除く): 102239620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 35449, 70898, 141796, 177245, 248143, 354490, 460837, 496286, 708980, 921674, 992572, 1240715, 1843348, 2304185, 2481430, 3225859, 4608370, 4962860, 6451718, 9216740, 12903436, 16129295, 32258590, 64517180]

約数ペア:

[(1, 64517180), (2, 32258590), (4, 16129295), (5, 12903436), (7, 9216740), (10, 6451718), (13, 4962860), (14, 4608370), (20, 3225859), (26, 2481430), (28, 2304185), (35, 1843348), (52, 1240715), (65, 992572), (70, 921674), (91, 708980), (130, 496286), (140, 460837), (182, 354490), (260, 248143), (364, 177245), (455, 141796), (910, 70898), (1820, 35449)]