489180880

素因数分解:

$2^4\times 5^1\times {\mathrm{6114761}}^1$

素因数の和:6114774

約数の個数: 20

約数和(自身を含む): 1137345732

約数和(自身を除く): 648164852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6114761, 12229522, 24459044, 30573805, 48918088, 61147610, 97836176, 122295220, 244590440, 489180880]

約数ペア:

[(1, 489180880), (2, 244590440), (4, 122295220), (5, 97836176), (8, 61147610), (10, 48918088), (16, 30573805), (20, 24459044), (40, 12229522), (80, 6114761)]