3872240

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:609

約数の個数: 40

約数和(自身を含む): 9114000

約数和(自身を除く): 5241760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 499, 776, 970, 998, 1552, 1940, 1996, 2495, 3880, 3992, 4990, 7760, 7984, 9980, 19960, 39920, 48403, 96806, 193612, 242015, 387224, 484030, 774448, 968060, 1936120, 3872240]

約数ペア:

[(1, 3872240), (2, 1936120), (4, 968060), (5, 774448), (8, 484030), (10, 387224), (16, 242015), (20, 193612), (40, 96806), (80, 48403), (97, 39920), (194, 19960), (388, 9980), (485, 7984), (499, 7760), (776, 4990), (970, 3992), (998, 3880), (1552, 2495), (1940, 1996)]