42496940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{124991}}^1$

素因数の和:125017

約数の個数: 24

約数和(自身を含む): 94493952

約数和(自身を除く): 51997012

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 124991, 249982, 499964, 624955, 1249910, 2124847, 2499820, 4249694, 8499388, 10624235, 21248470, 42496940]

約数ペア:

[(1, 42496940), (2, 21248470), (4, 10624235), (5, 8499388), (10, 4249694), (17, 2499820), (20, 2124847), (34, 1249910), (68, 624955), (85, 499964), (170, 249982), (340, 124991)]