40723000

素因数分解:

$2^3\times 5^3\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 96239520

約数和(自身を除く): 55516520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 193, 200, 211, 250, 386, 422, 500, 772, 844, 965, 1000, 1055, 1544, 1688, 1930, 2110, 3860, 4220, 4825, 5275, 7720, 8440, 9650, 10550, 19300, 21100, 24125, 26375, 38600, 40723, 42200, 48250, 52750, 81446, 96500, 105500, 162892, 193000, 203615, 211000, 325784, 407230, 814460, 1018075, 1628920, 2036150, 4072300, 5090375, 8144600, 10180750, 20361500, 40723000]

約数ペア:

[(1, 40723000), (2, 20361500), (4, 10180750), (5, 8144600), (8, 5090375), (10, 4072300), (20, 2036150), (25, 1628920), (40, 1018075), (50, 814460), (100, 407230), (125, 325784), (193, 211000), (200, 203615), (211, 193000), (250, 162892), (386, 105500), (422, 96500), (500, 81446), (772, 52750), (844, 48250), (965, 42200), (1000, 40723), (1055, 38600), (1544, 26375), (1688, 24125), (1930, 21100), (2110, 19300), (3860, 10550), (4220, 9650), (4825, 8440), (5275, 7720)]