2000128

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:630

約数の個数: 36

約数和(自身を含む): 4306708

約数和(自身を除く): 2306580

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 601, 832, 1202, 1664, 2404, 3328, 4808, 7813, 9616, 15626, 19232, 31252, 38464, 62504, 76928, 125008, 153856, 250016, 500032, 1000064, 2000128]

約数ペア:

[(1, 2000128), (2, 1000064), (4, 500032), (8, 250016), (13, 153856), (16, 125008), (26, 76928), (32, 62504), (52, 38464), (64, 31252), (104, 19232), (128, 15626), (208, 9616), (256, 7813), (416, 4808), (601, 3328), (832, 2404), (1202, 1664)]