1323889720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1067653}}^1$

素因数の和:1067695

約数の個数: 32

約数和(自身を含む): 3074843520

約数和(自身を除く): 1750953800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1067653, 2135306, 4270612, 5338265, 8541224, 10676530, 21353060, 33097243, 42706120, 66194486, 132388972, 165486215, 264777944, 330972430, 661944860, 1323889720]

約数ペア:

[(1, 1323889720), (2, 661944860), (4, 330972430), (5, 264777944), (8, 165486215), (10, 132388972), (20, 66194486), (31, 42706120), (40, 33097243), (62, 21353060), (124, 10676530), (155, 8541224), (248, 5338265), (310, 4270612), (620, 2135306), (1240, 1067653)]