105350720

素因数分解:

$2^6\times 5^1\times {\mathrm{401}}^1\times {\mathrm{821}}^1$

素因数の和:1239

約数の個数: 56

約数和(自身を含む): 251798328

約数和(自身を除く): 146447608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 401, 802, 821, 1604, 1642, 2005, 3208, 3284, 4010, 4105, 6416, 6568, 8020, 8210, 12832, 13136, 16040, 16420, 25664, 26272, 32080, 32840, 52544, 64160, 65680, 128320, 131360, 262720, 329221, 658442, 1316884, 1646105, 2633768, 3292210, 5267536, 6584420, 10535072, 13168840, 21070144, 26337680, 52675360, 105350720]

約数ペア:

[(1, 105350720), (2, 52675360), (4, 26337680), (5, 21070144), (8, 13168840), (10, 10535072), (16, 6584420), (20, 5267536), (32, 3292210), (40, 2633768), (64, 1646105), (80, 1316884), (160, 658442), (320, 329221), (401, 262720), (802, 131360), (821, 128320), (1604, 65680), (1642, 64160), (2005, 52544), (3208, 32840), (3284, 32080), (4010, 26272), (4105, 25664), (6416, 16420), (6568, 16040), (8020, 13136), (8210, 12832)]