40078090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{308293}}^1$

素因数の和:308313

約数の個数: 16

約数和(自身を含む): 77690088

約数和(自身を除く): 37611998

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 308293, 616586, 1541465, 3082930, 4007809, 8015618, 20039045, 40078090]

約数ペア:

[(1, 40078090), (2, 20039045), (5, 8015618), (10, 4007809), (13, 3082930), (26, 1541465), (65, 616586), (130, 308293)]