8419399880

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1049}}^1\times {\mathrm{1231}}^1$

素因数の和:2454

約数の個数: 64

約数和(自身を含む): 19093536000

約数和(自身を除く): 10674136120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1049, 1231, 1304, 1630, 2098, 2462, 3260, 4196, 4924, 5245, 6155, 6520, 8392, 9848, 10490, 12310, 20980, 24620, 41960, 49240, 170987, 200653, 341974, 401306, 683948, 802612, 854935, 1003265, 1291319, 1367896, 1605224, 1709870, 2006530, 2582638, 3419740, 4013060, 5165276, 6456595, 6839480, 8026120, 10330552, 12913190, 25826380, 51652760, 210484997, 420969994, 841939988, 1052424985, 1683879976, 2104849970, 4209699940, 8419399880]

約数ペア:

[(1, 8419399880), (2, 4209699940), (4, 2104849970), (5, 1683879976), (8, 1052424985), (10, 841939988), (20, 420969994), (40, 210484997), (163, 51652760), (326, 25826380), (652, 12913190), (815, 10330552), (1049, 8026120), (1231, 6839480), (1304, 6456595), (1630, 5165276), (2098, 4013060), (2462, 3419740), (3260, 2582638), (4196, 2006530), (4924, 1709870), (5245, 1605224), (6155, 1367896), (6520, 1291319), (8392, 1003265), (9848, 854935), (10490, 802612), (12310, 683948), (20980, 401306), (24620, 341974), (41960, 200653), (49240, 170987)]