201766640

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{11953}}^1$

素因数の和:12177

約数の個数: 40

約数和(自身を含む): 471370128

約数和(自身を除く): 269603488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 8440, 11953, 16880, 23906, 47812, 59765, 95624, 119530, 191248, 239060, 478120, 956240, 2522083, 5044166, 10088332, 12610415, 20176664, 25220830, 40353328, 50441660, 100883320, 201766640]

約数ペア:

[(1, 201766640), (2, 100883320), (4, 50441660), (5, 40353328), (8, 25220830), (10, 20176664), (16, 12610415), (20, 10088332), (40, 5044166), (80, 2522083), (211, 956240), (422, 478120), (844, 239060), (1055, 191248), (1688, 119530), (2110, 95624), (3376, 59765), (4220, 47812), (8440, 23906), (11953, 16880)]