49487440

素因数分解:

$2^4\times 5^1\times {\mathrm{618593}}^1$

素因数の和:618606

約数の個数: 20

約数和(自身を含む): 115058484

約数和(自身を除く): 65571044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 618593, 1237186, 2474372, 3092965, 4948744, 6185930, 9897488, 12371860, 24743720, 49487440]

約数ペア:

[(1, 49487440), (2, 24743720), (4, 12371860), (5, 9897488), (8, 6185930), (10, 4948744), (16, 3092965), (20, 2474372), (40, 1237186), (80, 618593)]