77927440

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2113}}^1$

素因数の和:2587

約数の個数: 40

約数和(自身を含む): 181660248

約数和(自身を除く): 103732808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 922, 1844, 2113, 2305, 3688, 4226, 4610, 7376, 8452, 9220, 10565, 16904, 18440, 21130, 33808, 36880, 42260, 84520, 169040, 974093, 1948186, 3896372, 4870465, 7792744, 9740930, 15585488, 19481860, 38963720, 77927440]

約数ペア:

[(1, 77927440), (2, 38963720), (4, 19481860), (5, 15585488), (8, 9740930), (10, 7792744), (16, 4870465), (20, 3896372), (40, 1948186), (80, 974093), (461, 169040), (922, 84520), (1844, 42260), (2113, 36880), (2305, 33808), (3688, 21130), (4226, 18440), (4610, 16904), (7376, 10565), (8452, 9220)]