20100580670

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{15581}}^1$

素因数の和:15761

約数の個数: 64

約数和(自身を含む): 38773002240

約数和(自身を除く): 18672421570

約数列:

[1, 2, 5, 10, 23, 46, 71, 79, 115, 142, 158, 230, 355, 395, 710, 790, 1633, 1817, 3266, 3634, 5609, 8165, 9085, 11218, 15581, 16330, 18170, 28045, 31162, 56090, 77905, 129007, 155810, 258014, 358363, 645035, 716726, 1106251, 1230899, 1290070, 1791815, 2212502, 2461798, 3583630, 5531255, 6154495, 11062510, 12308990, 25443773, 28310677, 50887546, 56621354, 87393829, 127218865, 141553385, 174787658, 254437730, 283106770, 436969145, 873938290, 2010058067, 4020116134, 10050290335, 20100580670]

約数ペア:

[(1, 20100580670), (2, 10050290335), (5, 4020116134), (10, 2010058067), (23, 873938290), (46, 436969145), (71, 283106770), (79, 254437730), (115, 174787658), (142, 141553385), (158, 127218865), (230, 87393829), (355, 56621354), (395, 50887546), (710, 28310677), (790, 25443773), (1633, 12308990), (1817, 11062510), (3266, 6154495), (3634, 5531255), (5609, 3583630), (8165, 2461798), (9085, 2212502), (11218, 1791815), (15581, 1290070), (16330, 1230899), (18170, 1106251), (28045, 716726), (31162, 645035), (56090, 358363), (77905, 258014), (129007, 155810)]