78015160

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20107}}^1$

素因数の和:20215

約数の個数: 32

約数和(自身を含む): 177352560

約数和(自身を除く): 99337400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 20107, 40214, 80428, 100535, 160856, 201070, 402140, 804280, 1950379, 3900758, 7801516, 9751895, 15603032, 19503790, 39007580, 78015160]

約数ペア:

[(1, 78015160), (2, 39007580), (4, 19503790), (5, 15603032), (8, 9751895), (10, 7801516), (20, 3900758), (40, 1950379), (97, 804280), (194, 402140), (388, 201070), (485, 160856), (776, 100535), (970, 80428), (1940, 40214), (3880, 20107)]