42243280

素因数分解:

$2^4\times 5^1\times {\mathrm{528041}}^1$

素因数の和:528054

約数の個数: 20

約数和(自身を含む): 98215812

約数和(自身を除く): 55972532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 528041, 1056082, 2112164, 2640205, 4224328, 5280410, 8448656, 10560820, 21121640, 42243280]

約数ペア:

[(1, 42243280), (2, 21121640), (4, 10560820), (5, 8448656), (8, 5280410), (10, 4224328), (16, 2640205), (20, 2112164), (40, 1056082), (80, 528041)]