84126380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1259}}^1$

素因数の和:1538

約数の個数: 48

約数和(自身を含む): 191147040

約数和(自身を除く): 107020660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 1028, 1259, 1285, 2518, 2570, 3341, 5036, 5140, 6295, 6682, 12590, 13364, 16367, 16705, 25180, 32734, 33410, 65468, 66820, 81835, 163670, 323563, 327340, 647126, 1294252, 1617815, 3235630, 4206319, 6471260, 8412638, 16825276, 21031595, 42063190, 84126380]

約数ペア:

[(1, 84126380), (2, 42063190), (4, 21031595), (5, 16825276), (10, 8412638), (13, 6471260), (20, 4206319), (26, 3235630), (52, 1617815), (65, 1294252), (130, 647126), (257, 327340), (260, 323563), (514, 163670), (1028, 81835), (1259, 66820), (1285, 65468), (2518, 33410), (2570, 32734), (3341, 25180), (5036, 16705), (5140, 16367), (6295, 13364), (6682, 12590)]