202419620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{778537}}^1$

素因数の和:778559

約数の個数: 24

約数和(自身を含む): 457780344

約数和(自身を除く): 255360724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 778537, 1557074, 3114148, 3892685, 7785370, 10120981, 15570740, 20241962, 40483924, 50604905, 101209810, 202419620]

約数ペア:

[(1, 202419620), (2, 101209810), (4, 50604905), (5, 40483924), (10, 20241962), (13, 15570740), (20, 10120981), (26, 7785370), (52, 3892685), (65, 3114148), (130, 1557074), (260, 778537)]