90190160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{887}}^1$

素因数の和:972

約数の個数: 80

約数和(自身を含む): 221985792

約数和(自身を除く): 131795632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 887, 1240, 1271, 1640, 1774, 2480, 2542, 3280, 3548, 4435, 5084, 6355, 7096, 8870, 10168, 12710, 14192, 17740, 20336, 25420, 27497, 35480, 36367, 50840, 54994, 70960, 72734, 101680, 109988, 137485, 145468, 181835, 219976, 274970, 290936, 363670, 439952, 549940, 581872, 727340, 1099880, 1127377, 1454680, 2199760, 2254754, 2909360, 4509508, 5636885, 9019016, 11273770, 18038032, 22547540, 45095080, 90190160]

約数ペア:

[(1, 90190160), (2, 45095080), (4, 22547540), (5, 18038032), (8, 11273770), (10, 9019016), (16, 5636885), (20, 4509508), (31, 2909360), (40, 2254754), (41, 2199760), (62, 1454680), (80, 1127377), (82, 1099880), (124, 727340), (155, 581872), (164, 549940), (205, 439952), (248, 363670), (310, 290936), (328, 274970), (410, 219976), (496, 181835), (620, 145468), (656, 137485), (820, 109988), (887, 101680), (1240, 72734), (1271, 70960), (1640, 54994), (1774, 50840), (2480, 36367), (2542, 35480), (3280, 27497), (3548, 25420), (4435, 20336), (5084, 17740), (6355, 14192), (7096, 12710), (8870, 10168)]