40474240

素因数分解:

$2^7\times 5^1\times {\mathrm{63241}}^1$

素因数の和:63260

約数の個数: 32

約数和(自身を含む): 96760260

約数和(自身を除く): 56286020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 63241, 126482, 252964, 316205, 505928, 632410, 1011856, 1264820, 2023712, 2529640, 4047424, 5059280, 8094848, 10118560, 20237120, 40474240]

約数ペア:

[(1, 40474240), (2, 20237120), (4, 10118560), (5, 8094848), (8, 5059280), (10, 4047424), (16, 2529640), (20, 2023712), (32, 1264820), (40, 1011856), (64, 632410), (80, 505928), (128, 316205), (160, 252964), (320, 126482), (640, 63241)]