87151820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{622513}}^1$

素因数の和:622529

約数の個数: 24

約数和(自身を含む): 209164704

約数和(自身を除く): 122012884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 622513, 1245026, 2490052, 3112565, 4357591, 6225130, 8715182, 12450260, 17430364, 21787955, 43575910, 87151820]

約数ペア:

[(1, 87151820), (2, 43575910), (4, 21787955), (5, 17430364), (7, 12450260), (10, 8715182), (14, 6225130), (20, 4357591), (28, 3112565), (35, 2490052), (70, 1245026), (140, 622513)]