65904560

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1787}}^1$

素因数の和:2261

約数の個数: 40

約数和(自身を含む): 153646416

約数和(自身を除く): 87741856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 922, 1787, 1844, 2305, 3574, 3688, 4610, 7148, 7376, 8935, 9220, 14296, 17870, 18440, 28592, 35740, 36880, 71480, 142960, 823807, 1647614, 3295228, 4119035, 6590456, 8238070, 13180912, 16476140, 32952280, 65904560]

約数ペア:

[(1, 65904560), (2, 32952280), (4, 16476140), (5, 13180912), (8, 8238070), (10, 6590456), (16, 4119035), (20, 3295228), (40, 1647614), (80, 823807), (461, 142960), (922, 71480), (1787, 36880), (1844, 35740), (2305, 28592), (3574, 18440), (3688, 17870), (4610, 14296), (7148, 9220), (7376, 8935)]