3640492040

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{131711}}^1$

素因数の和:132413

約数の個数: 32

約数和(自身を含む): 8203023360

約数和(自身を除く): 4562531320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2764, 3455, 5528, 6910, 13820, 27640, 131711, 263422, 526844, 658555, 1053688, 1317110, 2634220, 5268440, 91012301, 182024602, 364049204, 455061505, 728098408, 910123010, 1820246020, 3640492040]

約数ペア:

[(1, 3640492040), (2, 1820246020), (4, 910123010), (5, 728098408), (8, 455061505), (10, 364049204), (20, 182024602), (40, 91012301), (691, 5268440), (1382, 2634220), (2764, 1317110), (3455, 1053688), (5528, 658555), (6910, 526844), (13820, 263422), (27640, 131711)]