28351160

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{7307}}^1$

素因数の和:7415

約数の個数: 32

約数和(自身を含む): 64456560

約数和(自身を除く): 36105400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 7307, 14614, 29228, 36535, 58456, 73070, 146140, 292280, 708779, 1417558, 2835116, 3543895, 5670232, 7087790, 14175580, 28351160]

約数ペア:

[(1, 28351160), (2, 14175580), (4, 7087790), (5, 5670232), (8, 3543895), (10, 2835116), (20, 1417558), (40, 708779), (97, 292280), (194, 146140), (388, 73070), (485, 58456), (776, 36535), (970, 29228), (1940, 14614), (3880, 7307)]