42156340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{49019}}^1$

素因数の和:49071

約数の個数: 24

約数和(自身を含む): 90588960

約数和(自身を除く): 48432620

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 49019, 98038, 196076, 245095, 490190, 980380, 2107817, 4215634, 8431268, 10539085, 21078170, 42156340]

約数ペア:

[(1, 42156340), (2, 21078170), (4, 10539085), (5, 8431268), (10, 4215634), (20, 2107817), (43, 980380), (86, 490190), (172, 245095), (215, 196076), (430, 98038), (860, 49019)]