80489370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{206383}}^1$

素因数の和:206406

約数の個数: 32

約数和(自身を含む): 208035072

約数和(自身を除く): 127545702

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 206383, 412766, 619149, 1031915, 1238298, 2063830, 2682979, 3095745, 5365958, 6191490, 8048937, 13414895, 16097874, 26829790, 40244685, 80489370]

約数ペア:

[(1, 80489370), (2, 40244685), (3, 26829790), (5, 16097874), (6, 13414895), (10, 8048937), (13, 6191490), (15, 5365958), (26, 3095745), (30, 2682979), (39, 2063830), (65, 1238298), (78, 1031915), (130, 619149), (195, 412766), (390, 206383)]