65793920

素因数分解:

$2^7\times 5^1\times {\mathrm{223}}^1\times {\mathrm{461}}^1$

素因数の和:703

約数の個数: 64

約数和(自身を含む): 158336640

約数和(自身を除く): 92542720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 320, 446, 461, 640, 892, 922, 1115, 1784, 1844, 2230, 2305, 3568, 3688, 4460, 4610, 7136, 7376, 8920, 9220, 14272, 14752, 17840, 18440, 28544, 29504, 35680, 36880, 59008, 71360, 73760, 102803, 142720, 147520, 205606, 295040, 411212, 514015, 822424, 1028030, 1644848, 2056060, 3289696, 4112120, 6579392, 8224240, 13158784, 16448480, 32896960, 65793920]

約数ペア:

[(1, 65793920), (2, 32896960), (4, 16448480), (5, 13158784), (8, 8224240), (10, 6579392), (16, 4112120), (20, 3289696), (32, 2056060), (40, 1644848), (64, 1028030), (80, 822424), (128, 514015), (160, 411212), (223, 295040), (320, 205606), (446, 147520), (461, 142720), (640, 102803), (892, 73760), (922, 71360), (1115, 59008), (1784, 36880), (1844, 35680), (2230, 29504), (2305, 28544), (3568, 18440), (3688, 17840), (4460, 14752), (4610, 14272), (7136, 9220), (7376, 8920)]