42320140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{124471}}^1$

素因数の和:124497

約数の個数: 24

約数和(自身を含む): 94100832

約数和(自身を除く): 51780692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 124471, 248942, 497884, 622355, 1244710, 2116007, 2489420, 4232014, 8464028, 10580035, 21160070, 42320140]

約数ペア:

[(1, 42320140), (2, 21160070), (4, 10580035), (5, 8464028), (10, 4232014), (17, 2489420), (20, 2116007), (34, 1244710), (68, 622355), (85, 497884), (170, 248942), (340, 124471)]