40040390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{308003}}^1$

素因数の和:308023

約数の個数: 16

約数和(自身を含む): 77617008

約数和(自身を除く): 37576618

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 308003, 616006, 1540015, 3080030, 4004039, 8008078, 20020195, 40040390]

約数ペア:

[(1, 40040390), (2, 20020195), (5, 8008078), (10, 4004039), (13, 3080030), (26, 1540015), (65, 616006), (130, 308003)]