65020660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{431}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 144426240

約数和(自身を除く): 79405580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 397, 431, 794, 862, 1588, 1724, 1985, 2155, 3970, 4310, 7543, 7940, 8189, 8620, 15086, 16378, 30172, 32756, 37715, 40945, 75430, 81890, 150860, 163780, 171107, 342214, 684428, 855535, 1711070, 3251033, 3422140, 6502066, 13004132, 16255165, 32510330, 65020660]

約数ペア:

[(1, 65020660), (2, 32510330), (4, 16255165), (5, 13004132), (10, 6502066), (19, 3422140), (20, 3251033), (38, 1711070), (76, 855535), (95, 684428), (190, 342214), (380, 171107), (397, 163780), (431, 150860), (794, 81890), (862, 75430), (1588, 40945), (1724, 37715), (1985, 32756), (2155, 30172), (3970, 16378), (4310, 15086), (7543, 8620), (7940, 8189)]