55647440

素因数分解:

$2^4\times 5^1\times {\mathrm{695593}}^1$

素因数の和:695606

約数の個数: 20

約数和(自身を含む): 129380484

約数和(自身を除く): 73733044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 695593, 1391186, 2782372, 3477965, 5564744, 6955930, 11129488, 13911860, 27823720, 55647440]

約数ペア:

[(1, 55647440), (2, 27823720), (4, 13911860), (5, 11129488), (8, 6955930), (10, 5564744), (16, 3477965), (20, 2782372), (40, 1391186), (80, 695593)]