8729120

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:717

約数の個数: 48

約数和(自身を含む): 20888280

約数和(自身を除く): 12159160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 613, 712, 890, 1226, 1424, 1780, 2452, 2848, 3065, 3560, 4904, 6130, 7120, 9808, 12260, 14240, 19616, 24520, 49040, 54557, 98080, 109114, 218228, 272785, 436456, 545570, 872912, 1091140, 1745824, 2182280, 4364560, 8729120]

約数ペア:

[(1, 8729120), (2, 4364560), (4, 2182280), (5, 1745824), (8, 1091140), (10, 872912), (16, 545570), (20, 436456), (32, 272785), (40, 218228), (80, 109114), (89, 98080), (160, 54557), (178, 49040), (356, 24520), (445, 19616), (613, 14240), (712, 12260), (890, 9808), (1226, 7120), (1424, 6130), (1780, 4904), (2452, 3560), (2848, 3065)]