8270840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12163}}^1$

素因数の和:12191

約数の個数: 32

約数和(自身を含む): 19705680

約数和(自身を除く): 11434840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 12163, 24326, 48652, 60815, 97304, 121630, 206771, 243260, 413542, 486520, 827084, 1033855, 1654168, 2067710, 4135420, 8270840]

約数ペア:

[(1, 8270840), (2, 4135420), (4, 2067710), (5, 1654168), (8, 1033855), (10, 827084), (17, 486520), (20, 413542), (34, 243260), (40, 206771), (68, 121630), (85, 97304), (136, 60815), (170, 48652), (340, 24326), (680, 12163)]