888969040

素因数分解:

$2^4\times 5^1\times {\mathrm{11112113}}^1$

素因数の和:11112126

約数の個数: 20

約数和(自身を含む): 2066853204

約数和(自身を除く): 1177884164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11112113, 22224226, 44448452, 55560565, 88896904, 111121130, 177793808, 222242260, 444484520, 888969040]

約数ペア:

[(1, 888969040), (2, 444484520), (4, 222242260), (5, 177793808), (8, 111121130), (10, 88896904), (16, 55560565), (20, 44448452), (40, 22224226), (80, 11112113)]