12552920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 30240000

約数和(自身を除く): 17687080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 83, 95, 152, 166, 190, 199, 332, 380, 398, 415, 664, 760, 796, 830, 995, 1577, 1592, 1660, 1990, 3154, 3320, 3781, 3980, 6308, 7562, 7885, 7960, 12616, 15124, 15770, 16517, 18905, 30248, 31540, 33034, 37810, 63080, 66068, 75620, 82585, 132136, 151240, 165170, 313823, 330340, 627646, 660680, 1255292, 1569115, 2510584, 3138230, 6276460, 12552920]

約数ペア:

[(1, 12552920), (2, 6276460), (4, 3138230), (5, 2510584), (8, 1569115), (10, 1255292), (19, 660680), (20, 627646), (38, 330340), (40, 313823), (76, 165170), (83, 151240), (95, 132136), (152, 82585), (166, 75620), (190, 66068), (199, 63080), (332, 37810), (380, 33034), (398, 31540), (415, 30248), (664, 18905), (760, 16517), (796, 15770), (830, 15124), (995, 12616), (1577, 7960), (1592, 7885), (1660, 7562), (1990, 6308), (3154, 3980), (3320, 3781)]