157803040

素因数分解:

$2^5\times 5^1\times {\mathrm{181}}^1\times {\mathrm{5449}}^1$

素因数の和:5645

約数の個数: 48

約数和(自身を含む): 374938200

約数和(自身を除く): 217135160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 5449, 5792, 7240, 10898, 14480, 21796, 27245, 28960, 43592, 54490, 87184, 108980, 174368, 217960, 435920, 871840, 986269, 1972538, 3945076, 4931345, 7890152, 9862690, 15780304, 19725380, 31560608, 39450760, 78901520, 157803040]

約数ペア:

[(1, 157803040), (2, 78901520), (4, 39450760), (5, 31560608), (8, 19725380), (10, 15780304), (16, 9862690), (20, 7890152), (32, 4931345), (40, 3945076), (80, 1972538), (160, 986269), (181, 871840), (362, 435920), (724, 217960), (905, 174368), (1448, 108980), (1810, 87184), (2896, 54490), (3620, 43592), (5449, 28960), (5792, 27245), (7240, 21796), (10898, 14480)]