8431960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2969}}^1$

素因数の和:3051

約数の個数: 32

約数和(自身を含む): 19245600

約数和(自身を除く): 10813640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 2969, 5938, 11876, 14845, 23752, 29690, 59380, 118760, 210799, 421598, 843196, 1053995, 1686392, 2107990, 4215980, 8431960]

約数ペア:

[(1, 8431960), (2, 4215980), (4, 2107990), (5, 1686392), (8, 1053995), (10, 843196), (20, 421598), (40, 210799), (71, 118760), (142, 59380), (284, 29690), (355, 23752), (568, 14845), (710, 11876), (1420, 5938), (2840, 2969)]