65513080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{929}}^1$

素因数の和:1024

約数の個数: 64

約数和(自身を含む): 154677600

約数和(自身を除く): 89164520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 929, 1640, 1720, 1763, 1858, 3526, 3716, 4645, 7052, 7432, 8815, 9290, 14104, 17630, 18580, 35260, 37160, 38089, 39947, 70520, 76178, 79894, 152356, 159788, 190445, 199735, 304712, 319576, 380890, 399470, 761780, 798940, 1523560, 1597880, 1637827, 3275654, 6551308, 8189135, 13102616, 16378270, 32756540, 65513080]

約数ペア:

[(1, 65513080), (2, 32756540), (4, 16378270), (5, 13102616), (8, 8189135), (10, 6551308), (20, 3275654), (40, 1637827), (41, 1597880), (43, 1523560), (82, 798940), (86, 761780), (164, 399470), (172, 380890), (205, 319576), (215, 304712), (328, 199735), (344, 190445), (410, 159788), (430, 152356), (820, 79894), (860, 76178), (929, 70520), (1640, 39947), (1720, 38089), (1763, 37160), (1858, 35260), (3526, 18580), (3716, 17630), (4645, 14104), (7052, 9290), (7432, 8815)]