12978440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14107}}^1$

素因数の和:14141

約数の個数: 32

約数和(自身を含む): 30473280

約数和(自身を除く): 17494840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 14107, 28214, 56428, 70535, 112856, 141070, 282140, 324461, 564280, 648922, 1297844, 1622305, 2595688, 3244610, 6489220, 12978440]

約数ペア:

[(1, 12978440), (2, 6489220), (4, 3244610), (5, 2595688), (8, 1622305), (10, 1297844), (20, 648922), (23, 564280), (40, 324461), (46, 282140), (92, 141070), (115, 112856), (184, 70535), (230, 56428), (460, 28214), (920, 14107)]