8909720

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{631}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 20135520

約数和(自身を除く): 11225800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 631, 706, 1262, 1412, 1765, 2524, 2824, 3155, 3530, 5048, 6310, 7060, 12620, 14120, 25240, 222743, 445486, 890972, 1113715, 1781944, 2227430, 4454860, 8909720]

約数ペア:

[(1, 8909720), (2, 4454860), (4, 2227430), (5, 1781944), (8, 1113715), (10, 890972), (20, 445486), (40, 222743), (353, 25240), (631, 14120), (706, 12620), (1262, 7060), (1412, 6310), (1765, 5048), (2524, 3530), (2824, 3155)]