3999680

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:477

約数の個数: 56

約数和(自身を含む): 9875520

約数和(自身を除く): 5875840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 431, 464, 580, 862, 928, 1160, 1724, 1856, 2155, 2320, 3448, 4310, 4640, 6896, 8620, 9280, 12499, 13792, 17240, 24998, 27584, 34480, 49996, 62495, 68960, 99992, 124990, 137920, 199984, 249980, 399968, 499960, 799936, 999920, 1999840, 3999680]

約数ペア:

[(1, 3999680), (2, 1999840), (4, 999920), (5, 799936), (8, 499960), (10, 399968), (16, 249980), (20, 199984), (29, 137920), (32, 124990), (40, 99992), (58, 68960), (64, 62495), (80, 49996), (116, 34480), (145, 27584), (160, 24998), (232, 17240), (290, 13792), (320, 12499), (431, 9280), (464, 8620), (580, 6896), (862, 4640), (928, 4310), (1160, 3448), (1724, 2320), (1856, 2155)]