82109620

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{283}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 176057280

約数和(自身を除く): 93947660

約数列:

[1, 2, 4, 5, 10, 20, 89, 163, 178, 283, 326, 356, 445, 566, 652, 815, 890, 1132, 1415, 1630, 1780, 2830, 3260, 5660, 14507, 25187, 29014, 46129, 50374, 58028, 72535, 92258, 100748, 125935, 145070, 184516, 230645, 251870, 290140, 461290, 503740, 922580, 4105481, 8210962, 16421924, 20527405, 41054810, 82109620]

約数ペア:

[(1, 82109620), (2, 41054810), (4, 20527405), (5, 16421924), (10, 8210962), (20, 4105481), (89, 922580), (163, 503740), (178, 461290), (283, 290140), (326, 251870), (356, 230645), (445, 184516), (566, 145070), (652, 125935), (815, 100748), (890, 92258), (1132, 72535), (1415, 58028), (1630, 50374), (1780, 46129), (2830, 29014), (3260, 25187), (5660, 14507)]