8507020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13721}}^1$

素因数の和:13761

約数の個数: 24

約数和(自身を含む): 18442368

約数和(自身を除く): 9935348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 13721, 27442, 54884, 68605, 137210, 274420, 425351, 850702, 1701404, 2126755, 4253510, 8507020]

約数ペア:

[(1, 8507020), (2, 4253510), (4, 2126755), (5, 1701404), (10, 850702), (20, 425351), (31, 274420), (62, 137210), (124, 68605), (155, 54884), (310, 27442), (620, 13721)]