24998980

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2969}}^1$

素因数の和:3399

約数の個数: 24

約数和(自身を含む): 52640280

約数和(自身を除く): 27641300

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 2969, 4210, 5938, 8420, 11876, 14845, 29690, 59380, 1249949, 2499898, 4999796, 6249745, 12499490, 24998980]

約数ペア:

[(1, 24998980), (2, 12499490), (4, 6249745), (5, 4999796), (10, 2499898), (20, 1249949), (421, 59380), (842, 29690), (1684, 14845), (2105, 11876), (2969, 8420), (4210, 5938)]