16387240

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1789}}^1$

素因数の和:2029

約数の個数: 32

約数和(自身を含む): 37053000

約数和(自身を除く): 20665760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1789, 1832, 2290, 3578, 4580, 7156, 8945, 9160, 14312, 17890, 35780, 71560, 409681, 819362, 1638724, 2048405, 3277448, 4096810, 8193620, 16387240]

約数ペア:

[(1, 16387240), (2, 8193620), (4, 4096810), (5, 3277448), (8, 2048405), (10, 1638724), (20, 819362), (40, 409681), (229, 71560), (458, 35780), (916, 17890), (1145, 14312), (1789, 9160), (1832, 8945), (2290, 7156), (3578, 4580)]