20125064320

素因数分解:

$2^7\times 5^1\times {\mathrm{859}}^1\times {\mathrm{36607}}^1$

素因数の和:37485

約数の個数: 64

約数和(自身を含む): 48168806400

約数和(自身を除く): 28043742080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 859, 1718, 3436, 4295, 6872, 8590, 13744, 17180, 27488, 34360, 36607, 54976, 68720, 73214, 109952, 137440, 146428, 183035, 274880, 292856, 366070, 549760, 585712, 732140, 1171424, 1464280, 2342848, 2928560, 4685696, 5857120, 11714240, 23428480, 31445413, 62890826, 125781652, 157227065, 251563304, 314454130, 503126608, 628908260, 1006253216, 1257816520, 2012506432, 2515633040, 4025012864, 5031266080, 10062532160, 20125064320]

約数ペア:

[(1, 20125064320), (2, 10062532160), (4, 5031266080), (5, 4025012864), (8, 2515633040), (10, 2012506432), (16, 1257816520), (20, 1006253216), (32, 628908260), (40, 503126608), (64, 314454130), (80, 251563304), (128, 157227065), (160, 125781652), (320, 62890826), (640, 31445413), (859, 23428480), (1718, 11714240), (3436, 5857120), (4295, 4685696), (6872, 2928560), (8590, 2342848), (13744, 1464280), (17180, 1171424), (27488, 732140), (34360, 585712), (36607, 549760), (54976, 366070), (68720, 292856), (73214, 274880), (109952, 183035), (137440, 146428)]