4971920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3271}}^1$

素因数の和:3303

約数の個数: 40

約数和(自身を含む): 12171840

約数和(自身を除く): 7199920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 3271, 6542, 13084, 16355, 26168, 32710, 52336, 62149, 65420, 124298, 130840, 248596, 261680, 310745, 497192, 621490, 994384, 1242980, 2485960, 4971920]

約数ペア:

[(1, 4971920), (2, 2485960), (4, 1242980), (5, 994384), (8, 621490), (10, 497192), (16, 310745), (19, 261680), (20, 248596), (38, 130840), (40, 124298), (76, 65420), (80, 62149), (95, 52336), (152, 32710), (190, 26168), (304, 16355), (380, 13084), (760, 6542), (1520, 3271)]