425421980

素因数分解:

$2^2\times 5^1\times {\mathrm{967}}^1\times {\mathrm{21997}}^1$

素因数の和:22973

約数の個数: 24

約数和(自身を含む): 894350688

約数和(自身を除く): 468928708

約数列:

[1, 2, 4, 5, 10, 20, 967, 1934, 3868, 4835, 9670, 19340, 21997, 43994, 87988, 109985, 219970, 439940, 21271099, 42542198, 85084396, 106355495, 212710990, 425421980]

約数ペア:

[(1, 425421980), (2, 212710990), (4, 106355495), (5, 85084396), (10, 42542198), (20, 21271099), (967, 439940), (1934, 219970), (3868, 109985), (4835, 87988), (9670, 43994), (19340, 21997)]