65039680

素因数分解:

$2^6\times 5^1\times {\mathrm{203249}}^1$

素因数の和:203266

約数の個数: 28

約数和(自身を含む): 154876500

約数和(自身を除く): 89836820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 203249, 406498, 812996, 1016245, 1625992, 2032490, 3251984, 4064980, 6503968, 8129960, 13007936, 16259920, 32519840, 65039680]

約数ペア:

[(1, 65039680), (2, 32519840), (4, 16259920), (5, 13007936), (8, 8129960), (10, 6503968), (16, 4064980), (20, 3251984), (32, 2032490), (40, 1625992), (64, 1016245), (80, 812996), (160, 406498), (320, 203249)]