16967240

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4373}}^1$

素因数の和:4481

約数の個数: 32

約数和(自身を含む): 38578680

約数和(自身を除く): 21611440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 4373, 8746, 17492, 21865, 34984, 43730, 87460, 174920, 424181, 848362, 1696724, 2120905, 3393448, 4241810, 8483620, 16967240]

約数ペア:

[(1, 16967240), (2, 8483620), (4, 4241810), (5, 3393448), (8, 2120905), (10, 1696724), (20, 848362), (40, 424181), (97, 174920), (194, 87460), (388, 43730), (485, 34984), (776, 21865), (970, 17492), (1940, 8746), (3880, 4373)]