200520520

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{7607}}^1$

素因数の和:8277

約数の個数: 32

約数和(自身を含む): 451915200

約数和(自身を除く): 251394680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 3295, 5272, 6590, 7607, 13180, 15214, 26360, 30428, 38035, 60856, 76070, 152140, 304280, 5013013, 10026026, 20052052, 25065065, 40104104, 50130130, 100260260, 200520520]

約数ペア:

[(1, 200520520), (2, 100260260), (4, 50130130), (5, 40104104), (8, 25065065), (10, 20052052), (20, 10026026), (40, 5013013), (659, 304280), (1318, 152140), (2636, 76070), (3295, 60856), (5272, 38035), (6590, 30428), (7607, 26360), (13180, 15214)]