201394520

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{60661}}^1$

素因数の和:60755

約数の個数: 32

約数和(自身を含む): 458604720

約数和(自身を除く): 257210200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 60661, 121322, 242644, 303305, 485288, 606610, 1213220, 2426440, 5034863, 10069726, 20139452, 25174315, 40278904, 50348630, 100697260, 201394520]

約数ペア:

[(1, 201394520), (2, 100697260), (4, 50348630), (5, 40278904), (8, 25174315), (10, 20139452), (20, 10069726), (40, 5034863), (83, 2426440), (166, 1213220), (332, 606610), (415, 485288), (664, 303305), (830, 242644), (1660, 121322), (3320, 60661)]