123879760

素因数分解:

$2^4\times 5^1\times {\mathrm{1548497}}^1$

素因数の和:1548510

約数の個数: 20

約数和(自身を含む): 288020628

約数和(自身を除く): 164140868

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1548497, 3096994, 6193988, 7742485, 12387976, 15484970, 24775952, 30969940, 61939880, 123879760]

約数ペア:

[(1, 123879760), (2, 61939880), (4, 30969940), (5, 24775952), (8, 15484970), (10, 12387976), (16, 7742485), (20, 6193988), (40, 3096994), (80, 1548497)]