39620945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 61565952

約数和(自身を除く): 21945007

約数列:

[1, 5, 7, 13, 31, 35, 53, 65, 91, 155, 217, 265, 371, 403, 455, 689, 1085, 1643, 1855, 2015, 2809, 2821, 3445, 4823, 8215, 11501, 14045, 14105, 19663, 21359, 24115, 36517, 57505, 87079, 98315, 106795, 149513, 182585, 255619, 435395, 609553, 747565, 1132027, 1278095, 3047765, 5660135, 7924189, 39620945]

約数ペア:

[(1, 39620945), (5, 7924189), (7, 5660135), (13, 3047765), (31, 1278095), (35, 1132027), (53, 747565), (65, 609553), (91, 435395), (155, 255619), (217, 182585), (265, 149513), (371, 106795), (403, 98315), (455, 87079), (689, 57505), (1085, 36517), (1643, 24115), (1855, 21359), (2015, 19663), (2809, 14105), (2821, 14045), (3445, 11501), (4823, 8215)]