30721136

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{46831}}^1$

素因数の和:46880

約数の個数: 20

約数和(自身を含む): 60975264

約数和(自身を除く): 30254128

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 46831, 93662, 187324, 374648, 749296, 1920071, 3840142, 7680284, 15360568, 30721136]

約数ペア:

[(1, 30721136), (2, 15360568), (4, 7680284), (8, 3840142), (16, 1920071), (41, 749296), (82, 374648), (164, 187324), (328, 93662), (656, 46831)]