1271080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 2930400

約数和(自身を除く): 1659320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 739, 860, 1478, 1720, 2956, 3695, 5912, 7390, 14780, 29560, 31777, 63554, 127108, 158885, 254216, 317770, 635540, 1271080]

約数ペア:

[(1, 1271080), (2, 635540), (4, 317770), (5, 254216), (8, 158885), (10, 127108), (20, 63554), (40, 31777), (43, 29560), (86, 14780), (172, 7390), (215, 5912), (344, 3695), (430, 2956), (739, 1720), (860, 1478)]