118885240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1021}}^1$

素因数の和:1144

約数の個数: 64

約数和(自身を含む): 278147520

約数和(自身を除く): 159262280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 142, 164, 205, 284, 328, 355, 410, 568, 710, 820, 1021, 1420, 1640, 2042, 2840, 2911, 4084, 5105, 5822, 8168, 10210, 11644, 14555, 20420, 23288, 29110, 40840, 41861, 58220, 72491, 83722, 116440, 144982, 167444, 209305, 289964, 334888, 362455, 418610, 579928, 724910, 837220, 1449820, 1674440, 2899640, 2972131, 5944262, 11888524, 14860655, 23777048, 29721310, 59442620, 118885240]

約数ペア:

[(1, 118885240), (2, 59442620), (4, 29721310), (5, 23777048), (8, 14860655), (10, 11888524), (20, 5944262), (40, 2972131), (41, 2899640), (71, 1674440), (82, 1449820), (142, 837220), (164, 724910), (205, 579928), (284, 418610), (328, 362455), (355, 334888), (410, 289964), (568, 209305), (710, 167444), (820, 144982), (1021, 116440), (1420, 83722), (1640, 72491), (2042, 58220), (2840, 41861), (2911, 40840), (4084, 29110), (5105, 23288), (5822, 20420), (8168, 14555), (10210, 11644)]