31484260

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{16229}}^1$

素因数の和:16335

約数の個数: 24

約数和(自身を含む): 66802680

約数和(自身を除く): 35318420

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 16229, 32458, 64916, 81145, 162290, 324580, 1574213, 3148426, 6296852, 7871065, 15742130, 31484260]

約数ペア:

[(1, 31484260), (2, 15742130), (4, 7871065), (5, 6296852), (10, 3148426), (20, 1574213), (97, 324580), (194, 162290), (388, 81145), (485, 64916), (970, 32458), (1940, 16229)]