87675140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{626251}}^1$

素因数の和:626267

約数の個数: 24

約数和(自身を含む): 210420672

約数和(自身を除く): 122745532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 626251, 1252502, 2505004, 3131255, 4383757, 6262510, 8767514, 12525020, 17535028, 21918785, 43837570, 87675140]

約数ペア:

[(1, 87675140), (2, 43837570), (4, 21918785), (5, 17535028), (7, 12525020), (10, 8767514), (14, 6262510), (20, 4383757), (28, 3131255), (35, 2505004), (70, 1252502), (140, 626251)]