2016135980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{13999}}^1$

素因数の和:14406

約数の個数: 48

約数和(自身を含む): 4468800000

約数和(自身を除く): 2452664020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 379, 380, 758, 1516, 1895, 3790, 7201, 7580, 13999, 14402, 27998, 28804, 36005, 55996, 69995, 72010, 139990, 144020, 265981, 279980, 531962, 1063924, 1329905, 2659810, 5305621, 5319620, 10611242, 21222484, 26528105, 53056210, 100806799, 106112420, 201613598, 403227196, 504033995, 1008067990, 2016135980]

約数ペア:

[(1, 2016135980), (2, 1008067990), (4, 504033995), (5, 403227196), (10, 201613598), (19, 106112420), (20, 100806799), (38, 53056210), (76, 26528105), (95, 21222484), (190, 10611242), (379, 5319620), (380, 5305621), (758, 2659810), (1516, 1329905), (1895, 1063924), (3790, 531962), (7201, 279980), (7580, 265981), (13999, 144020), (14402, 139990), (27998, 72010), (28804, 69995), (36005, 55996)]