15938140

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4889}}^1$

素因数の和:5061

約数の個数: 24

約数和(自身を含む): 33682320

約数和(自身を除く): 17744180

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 4889, 9778, 19556, 24445, 48890, 97780, 796907, 1593814, 3187628, 3984535, 7969070, 15938140]

約数ペア:

[(1, 15938140), (2, 7969070), (4, 3984535), (5, 3187628), (10, 1593814), (20, 796907), (163, 97780), (326, 48890), (652, 24445), (815, 19556), (1630, 9778), (3260, 4889)]