657784168340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{81610939}}^1$

素因数の和:81610992

約数の個数: 48

約数和(自身を含む): 1535591447040

約数和(自身を除く): 877807278700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 81610939, 163221878, 326443756, 408054695, 816109390, 1060942207, 1632218780, 2121884414, 2529939109, 4243768828, 5059878218, 5304711035, 10119756436, 10609422070, 12649695545, 21218844140, 25299391090, 32889208417, 50598782180, 65778416834, 131556833668, 164446042085, 328892084170, 657784168340]

約数ペア:

[(1, 657784168340), (2, 328892084170), (4, 164446042085), (5, 131556833668), (10, 65778416834), (13, 50598782180), (20, 32889208417), (26, 25299391090), (31, 21218844140), (52, 12649695545), (62, 10609422070), (65, 10119756436), (124, 5304711035), (130, 5059878218), (155, 4243768828), (260, 2529939109), (310, 2121884414), (403, 1632218780), (620, 1060942207), (806, 816109390), (1612, 408054695), (2015, 326443756), (4030, 163221878), (8060, 81610939)]