212810560

素因数分解:

$2^6\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1543}}^1$

素因数の和:1991

約数の個数: 56

約数和(自身を含む): 508260096

約数和(自身を除く): 295449536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 431, 862, 1543, 1724, 2155, 3086, 3448, 4310, 6172, 6896, 7715, 8620, 12344, 13792, 15430, 17240, 24688, 27584, 30860, 34480, 49376, 61720, 68960, 98752, 123440, 137920, 246880, 493760, 665033, 1330066, 2660132, 3325165, 5320264, 6650330, 10640528, 13300660, 21281056, 26601320, 42562112, 53202640, 106405280, 212810560]

約数ペア:

[(1, 212810560), (2, 106405280), (4, 53202640), (5, 42562112), (8, 26601320), (10, 21281056), (16, 13300660), (20, 10640528), (32, 6650330), (40, 5320264), (64, 3325165), (80, 2660132), (160, 1330066), (320, 665033), (431, 493760), (862, 246880), (1543, 137920), (1724, 123440), (2155, 98752), (3086, 68960), (3448, 61720), (4310, 49376), (6172, 34480), (6896, 30860), (7715, 27584), (8620, 24688), (12344, 17240), (13792, 15430)]