40518790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311683}}^1$

素因数の和:311703

約数の個数: 16

約数和(自身を含む): 78544368

約数和(自身を除く): 38025578

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 311683, 623366, 1558415, 3116830, 4051879, 8103758, 20259395, 40518790]

約数ペア:

[(1, 40518790), (2, 20259395), (5, 8103758), (10, 4051879), (13, 3116830), (26, 1558415), (65, 623366), (130, 311683)]