28997680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^2\times {\mathrm{431}}^1$

素因数の和:502

約数の個数: 60

約数和(自身を含む): 69986592

約数和(自身を除く): 40988912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 431, 464, 580, 841, 862, 1160, 1682, 1724, 2155, 2320, 3364, 3448, 4205, 4310, 6728, 6896, 8410, 8620, 12499, 13456, 16820, 17240, 24998, 33640, 34480, 49996, 62495, 67280, 99992, 124990, 199984, 249980, 362471, 499960, 724942, 999920, 1449884, 1812355, 2899768, 3624710, 5799536, 7249420, 14498840, 28997680]

約数ペア:

[(1, 28997680), (2, 14498840), (4, 7249420), (5, 5799536), (8, 3624710), (10, 2899768), (16, 1812355), (20, 1449884), (29, 999920), (40, 724942), (58, 499960), (80, 362471), (116, 249980), (145, 199984), (232, 124990), (290, 99992), (431, 67280), (464, 62495), (580, 49996), (841, 34480), (862, 33640), (1160, 24998), (1682, 17240), (1724, 16820), (2155, 13456), (2320, 12499), (3364, 8620), (3448, 8410), (4205, 6896), (4310, 6728)]