99891520

素因数分解:

$2^6\times 5^1\times {\mathrm{312161}}^1$

素因数の和:312178

約数の個数: 28

約数和(自身を含む): 237867444

約数和(自身を除く): 137975924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 312161, 624322, 1248644, 1560805, 2497288, 3121610, 4994576, 6243220, 9989152, 12486440, 19978304, 24972880, 49945760, 99891520]

約数ペア:

[(1, 99891520), (2, 49945760), (4, 24972880), (5, 19978304), (8, 12486440), (10, 9989152), (16, 6243220), (20, 4994576), (32, 3121610), (40, 2497288), (64, 1560805), (80, 1248644), (160, 624322), (320, 312161)]