20113909600

素因数分解:

$2^5\times 5^2\times {\mathrm{113}}^1\times {\mathrm{222499}}^1$

素因数の和:222632

約数の個数: 72

約数和(自身を含む): 49537845000

約数和(自身を除く): 29423935400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 113, 160, 200, 226, 400, 452, 565, 800, 904, 1130, 1808, 2260, 2825, 3616, 4520, 5650, 9040, 11300, 18080, 22600, 45200, 90400, 222499, 444998, 889996, 1112495, 1779992, 2224990, 3559984, 4449980, 5562475, 7119968, 8899960, 11124950, 17799920, 22249900, 25142387, 35599840, 44499800, 50284774, 88999600, 100569548, 125711935, 177999200, 201139096, 251423870, 402278192, 502847740, 628559675, 804556384, 1005695480, 1257119350, 2011390960, 2514238700, 4022781920, 5028477400, 10056954800, 20113909600]

約数ペア:

[(1, 20113909600), (2, 10056954800), (4, 5028477400), (5, 4022781920), (8, 2514238700), (10, 2011390960), (16, 1257119350), (20, 1005695480), (25, 804556384), (32, 628559675), (40, 502847740), (50, 402278192), (80, 251423870), (100, 201139096), (113, 177999200), (160, 125711935), (200, 100569548), (226, 88999600), (400, 50284774), (452, 44499800), (565, 35599840), (800, 25142387), (904, 22249900), (1130, 17799920), (1808, 11124950), (2260, 8899960), (2825, 7119968), (3616, 5562475), (4520, 4449980), (5650, 3559984), (9040, 2224990), (11300, 1779992), (18080, 1112495), (22600, 889996), (45200, 444998), (90400, 222499)]