39430280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42859}}^1$

素因数の和:42893

約数の個数: 32

約数和(自身を含む): 92577600

約数和(自身を除く): 53147320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 42859, 85718, 171436, 214295, 342872, 428590, 857180, 985757, 1714360, 1971514, 3943028, 4928785, 7886056, 9857570, 19715140, 39430280]

約数ペア:

[(1, 39430280), (2, 19715140), (4, 9857570), (5, 7886056), (8, 4928785), (10, 3943028), (20, 1971514), (23, 1714360), (40, 985757), (46, 857180), (92, 428590), (115, 342872), (184, 214295), (230, 171436), (460, 85718), (920, 42859)]