9946840

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1789}}^1$

素因数の和:1939

約数の個数: 32

約数和(自身を含む): 22554000

約数和(自身を除く): 12607160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 1789, 2780, 3578, 5560, 7156, 8945, 14312, 17890, 35780, 71560, 248671, 497342, 994684, 1243355, 1989368, 2486710, 4973420, 9946840]

約数ペア:

[(1, 9946840), (2, 4973420), (4, 2486710), (5, 1989368), (8, 1243355), (10, 994684), (20, 497342), (40, 248671), (139, 71560), (278, 35780), (556, 17890), (695, 14312), (1112, 8945), (1390, 7156), (1789, 5560), (2780, 3578)]