8889437240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7168901}}^1$

素因数の和:7168943

約数の個数: 32

約数和(自身を含む): 20646437760

約数和(自身を除く): 11757000520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 7168901, 14337802, 28675604, 35844505, 57351208, 71689010, 143378020, 222235931, 286756040, 444471862, 888943724, 1111179655, 1777887448, 2222359310, 4444718620, 8889437240]

約数ペア:

[(1, 8889437240), (2, 4444718620), (4, 2222359310), (5, 1777887448), (8, 1111179655), (10, 888943724), (20, 444471862), (31, 286756040), (40, 222235931), (62, 143378020), (124, 71689010), (155, 57351208), (248, 35844505), (310, 28675604), (620, 14337802), (1240, 7168901)]