20177500880

素因数分解:

$2^4\times 5^1\times {\mathrm{467}}^1\times {\mathrm{487}}^1\times {\mathrm{1109}}^1$

素因数の和:2076

約数の個数: 80

約数和(自身を含む): 47152160640

約数和(自身を除く): 26974659760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 467, 487, 934, 974, 1109, 1868, 1948, 2218, 2335, 2435, 3736, 3896, 4436, 4670, 4870, 5545, 7472, 7792, 8872, 9340, 9740, 11090, 17744, 18680, 19480, 22180, 37360, 38960, 44360, 88720, 227429, 454858, 517903, 540083, 909716, 1035806, 1080166, 1137145, 1819432, 2071612, 2160332, 2274290, 2589515, 2700415, 3638864, 4143224, 4320664, 4548580, 5179030, 5400830, 8286448, 8641328, 9097160, 10358060, 10801660, 18194320, 20716120, 21603320, 41432240, 43206640, 252218761, 504437522, 1008875044, 1261093805, 2017750088, 2522187610, 4035500176, 5044375220, 10088750440, 20177500880]

約数ペア:

[(1, 20177500880), (2, 10088750440), (4, 5044375220), (5, 4035500176), (8, 2522187610), (10, 2017750088), (16, 1261093805), (20, 1008875044), (40, 504437522), (80, 252218761), (467, 43206640), (487, 41432240), (934, 21603320), (974, 20716120), (1109, 18194320), (1868, 10801660), (1948, 10358060), (2218, 9097160), (2335, 8641328), (2435, 8286448), (3736, 5400830), (3896, 5179030), (4436, 4548580), (4670, 4320664), (4870, 4143224), (5545, 3638864), (7472, 2700415), (7792, 2589515), (8872, 2274290), (9340, 2160332), (9740, 2071612), (11090, 1819432), (17744, 1137145), (18680, 1080166), (19480, 1035806), (22180, 909716), (37360, 540083), (38960, 517903), (44360, 454858), (88720, 227429)]