13308920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10733}}^1$

素因数の和:10775

約数の個数: 32

約数和(自身を含む): 30913920

約数和(自身を除く): 17605000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10733, 21466, 42932, 53665, 85864, 107330, 214660, 332723, 429320, 665446, 1330892, 1663615, 2661784, 3327230, 6654460, 13308920]

約数ペア:

[(1, 13308920), (2, 6654460), (4, 3327230), (5, 2661784), (8, 1663615), (10, 1330892), (20, 665446), (31, 429320), (40, 332723), (62, 214660), (124, 107330), (155, 85864), (248, 53665), (310, 42932), (620, 21466), (1240, 10733)]