15980180

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{3583}}^1$

素因数の和:3815

約数の個数: 24

約数和(自身を含む): 33718272

約数和(自身を除く): 17738092

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 3583, 4460, 7166, 14332, 17915, 35830, 71660, 799009, 1598018, 3196036, 3995045, 7990090, 15980180]

約数ペア:

[(1, 15980180), (2, 7990090), (4, 3995045), (5, 3196036), (10, 1598018), (20, 799009), (223, 71660), (446, 35830), (892, 17915), (1115, 14332), (2230, 7166), (3583, 4460)]