4215980

素因数分解:

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

素因数の和:3049

約数の個数: 24

約数和(自身を含む): 8981280

約数和(自身を除く): 4765300

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2969, 5938, 11876, 14845, 29690, 59380, 210799, 421598, 843196, 1053995, 2107990, 4215980]

約数ペア:

[(1, 4215980), (2, 2107990), (4, 1053995), (5, 843196), (10, 421598), (20, 210799), (71, 59380), (142, 29690), (284, 14845), (355, 11876), (710, 5938), (1420, 2969)]