6991840

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:595

約数の個数: 48

約数和(自身を含む): 16737840

約数和(自身を除く): 9746000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 491, 712, 890, 982, 1424, 1780, 1964, 2455, 2848, 3560, 3928, 4910, 7120, 7856, 9820, 14240, 15712, 19640, 39280, 43699, 78560, 87398, 174796, 218495, 349592, 436990, 699184, 873980, 1398368, 1747960, 3495920, 6991840]

約数ペア:

[(1, 6991840), (2, 3495920), (4, 1747960), (5, 1398368), (8, 873980), (10, 699184), (16, 436990), (20, 349592), (32, 218495), (40, 174796), (80, 87398), (89, 78560), (160, 43699), (178, 39280), (356, 19640), (445, 15712), (491, 14240), (712, 9820), (890, 7856), (982, 7120), (1424, 4910), (1780, 3928), (1964, 3560), (2455, 2848)]