17940880

素因数分解:

$2^4\times 5^1\times {\mathrm{224261}}^1$

素因数の和:224274

約数の個数: 20

約数和(自身を含む): 41712732

約数和(自身を除く): 23771852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 224261, 448522, 897044, 1121305, 1794088, 2242610, 3588176, 4485220, 8970440, 17940880]

約数ペア:

[(1, 17940880), (2, 8970440), (4, 4485220), (5, 3588176), (8, 2242610), (10, 1794088), (16, 1121305), (20, 897044), (40, 448522), (80, 224261)]