8166210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20939}}^1$

素因数の和:20962

約数の個数: 32

約数和(自身を含む): 21107520

約数和(自身を除く): 12941310

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20939, 41878, 62817, 104695, 125634, 209390, 272207, 314085, 544414, 628170, 816621, 1361035, 1633242, 2722070, 4083105, 8166210]

約数ペア:

[(1, 8166210), (2, 4083105), (3, 2722070), (5, 1633242), (6, 1361035), (10, 816621), (13, 628170), (15, 544414), (26, 314085), (30, 272207), (39, 209390), (65, 125634), (78, 104695), (130, 62817), (195, 41878), (390, 20939)]