56563060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{739}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 123076800

約数和(自身を除く): 66513740

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 430, 445, 739, 860, 890, 1478, 1780, 2956, 3695, 3827, 7390, 7654, 14780, 15308, 19135, 31777, 38270, 63554, 65771, 76540, 127108, 131542, 158885, 263084, 317770, 328855, 635540, 657710, 1315420, 2828153, 5656306, 11312612, 14140765, 28281530, 56563060]

約数ペア:

[(1, 56563060), (2, 28281530), (4, 14140765), (5, 11312612), (10, 5656306), (20, 2828153), (43, 1315420), (86, 657710), (89, 635540), (172, 328855), (178, 317770), (215, 263084), (356, 158885), (430, 131542), (445, 127108), (739, 76540), (860, 65771), (890, 63554), (1478, 38270), (1780, 31777), (2956, 19135), (3695, 15308), (3827, 14780), (7390, 7654)]