63680920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{19181}}^1$

素因数の和:19275

約数の個数: 32

約数和(自身を含む): 145015920

約数和(自身を除く): 81335000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 19181, 38362, 76724, 95905, 153448, 191810, 383620, 767240, 1592023, 3184046, 6368092, 7960115, 12736184, 15920230, 31840460, 63680920]

約数ペア:

[(1, 63680920), (2, 31840460), (4, 15920230), (5, 12736184), (8, 7960115), (10, 6368092), (20, 3184046), (40, 1592023), (83, 767240), (166, 383620), (332, 191810), (415, 153448), (664, 95905), (830, 76724), (1660, 38362), (3320, 19181)]