91605680

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8741}}^1$

素因数の和:8885

約数の個数: 40

約数和(自身を含む): 214633584

約数和(自身を除く): 123027904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 8741, 10480, 17482, 34964, 43705, 69928, 87410, 139856, 174820, 349640, 699280, 1145071, 2290142, 4580284, 5725355, 9160568, 11450710, 18321136, 22901420, 45802840, 91605680]

約数ペア:

[(1, 91605680), (2, 45802840), (4, 22901420), (5, 18321136), (8, 11450710), (10, 9160568), (16, 5725355), (20, 4580284), (40, 2290142), (80, 1145071), (131, 699280), (262, 349640), (524, 174820), (655, 139856), (1048, 87410), (1310, 69928), (2096, 43705), (2620, 34964), (5240, 17482), (8741, 10480)]