86620120

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19867}}^1$

素因数の和:19987

約数の個数: 32

約数和(自身を含む): 196693200

約数和(自身を除く): 110073080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 19867, 39734, 79468, 99335, 158936, 198670, 397340, 794680, 2165503, 4331006, 8662012, 10827515, 17324024, 21655030, 43310060, 86620120]

約数ペア:

[(1, 86620120), (2, 43310060), (4, 21655030), (5, 17324024), (8, 10827515), (10, 8662012), (20, 4331006), (40, 2165503), (109, 794680), (218, 397340), (436, 198670), (545, 158936), (872, 99335), (1090, 79468), (2180, 39734), (4360, 19867)]