74656880

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2399}}^1$

素因数の和:2801

約数の個数: 40

約数和(自身を含む): 174096000

約数和(自身を除く): 99439120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 2399, 3112, 3890, 4798, 6224, 7780, 9596, 11995, 15560, 19192, 23990, 31120, 38384, 47980, 95960, 191920, 933211, 1866422, 3732844, 4666055, 7465688, 9332110, 14931376, 18664220, 37328440, 74656880]

約数ペア:

[(1, 74656880), (2, 37328440), (4, 18664220), (5, 14931376), (8, 9332110), (10, 7465688), (16, 4666055), (20, 3732844), (40, 1866422), (80, 933211), (389, 191920), (778, 95960), (1556, 47980), (1945, 38384), (2399, 31120), (3112, 23990), (3890, 19192), (4798, 15560), (6224, 11995), (7780, 9596)]