51082590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{130981}}^1$

素因数の和:131004

約数の個数: 32

約数和(自身を含む): 132029856

約数和(自身を除く): 80947266

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 130981, 261962, 392943, 654905, 785886, 1309810, 1702753, 1964715, 3405506, 3929430, 5108259, 8513765, 10216518, 17027530, 25541295, 51082590]

約数ペア:

[(1, 51082590), (2, 25541295), (3, 17027530), (5, 10216518), (6, 8513765), (10, 5108259), (13, 3929430), (15, 3405506), (26, 1964715), (30, 1702753), (39, 1309810), (65, 785886), (78, 654905), (130, 392943), (195, 261962), (390, 130981)]