664102960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{488311}}^1$

素因数の和:488341

約数の個数: 40

約数和(自身を含む): 1634868576

約数和(自身を除く): 970765616

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 488311, 976622, 1953244, 2441555, 3906488, 4883110, 7812976, 8301287, 9766220, 16602574, 19532440, 33205148, 39064880, 41506435, 66410296, 83012870, 132820592, 166025740, 332051480, 664102960]

約数ペア:

[(1, 664102960), (2, 332051480), (4, 166025740), (5, 132820592), (8, 83012870), (10, 66410296), (16, 41506435), (17, 39064880), (20, 33205148), (34, 19532440), (40, 16602574), (68, 9766220), (80, 8301287), (85, 7812976), (136, 4883110), (170, 3906488), (272, 2441555), (340, 1953244), (680, 976622), (1360, 488311)]