6564640

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1$

素因数の和:565

約数の個数: 48

約数和(自身を含む): 15717240

約数和(自身を除く): 9152600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 461, 712, 890, 922, 1424, 1780, 1844, 2305, 2848, 3560, 3688, 4610, 7120, 7376, 9220, 14240, 14752, 18440, 36880, 41029, 73760, 82058, 164116, 205145, 328232, 410290, 656464, 820580, 1312928, 1641160, 3282320, 6564640]

約数ペア:

[(1, 6564640), (2, 3282320), (4, 1641160), (5, 1312928), (8, 820580), (10, 656464), (16, 410290), (20, 328232), (32, 205145), (40, 164116), (80, 82058), (89, 73760), (160, 41029), (178, 36880), (356, 18440), (445, 14752), (461, 14240), (712, 9220), (890, 7376), (922, 7120), (1424, 4610), (1780, 3688), (1844, 3560), (2305, 2848)]