25680416

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:297

約数の個数: 48

約数和(自身を含む): 52254720

約数和(自身を除く): 26574304

約数列:

[1, 2, 4, 8, 16, 32, 71, 89, 127, 142, 178, 254, 284, 356, 508, 568, 712, 1016, 1136, 1424, 2032, 2272, 2848, 4064, 6319, 9017, 11303, 12638, 18034, 22606, 25276, 36068, 45212, 50552, 72136, 90424, 101104, 144272, 180848, 202208, 288544, 361696, 802513, 1605026, 3210052, 6420104, 12840208, 25680416]

約数ペア:

[(1, 25680416), (2, 12840208), (4, 6420104), (8, 3210052), (16, 1605026), (32, 802513), (71, 361696), (89, 288544), (127, 202208), (142, 180848), (178, 144272), (254, 101104), (284, 90424), (356, 72136), (508, 50552), (568, 45212), (712, 36068), (1016, 25276), (1136, 22606), (1424, 18034), (2032, 12638), (2272, 11303), (2848, 9017), (4064, 6319)]