28933160

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{7457}}^1$

素因数の和:7565

約数の個数: 32

約数和(自身を含む): 65779560

約数和(自身を除く): 36846400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 7457, 14914, 29828, 37285, 59656, 74570, 149140, 298280, 723329, 1446658, 2893316, 3616645, 5786632, 7233290, 14466580, 28933160]

約数ペア:

[(1, 28933160), (2, 14466580), (4, 7233290), (5, 5786632), (8, 3616645), (10, 2893316), (20, 1446658), (40, 723329), (97, 298280), (194, 149140), (388, 74570), (485, 59656), (776, 37285), (970, 29828), (1940, 14914), (3880, 7457)]