40121780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{433}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 87275664

約数和(自身を除く): 47153884

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 113, 164, 205, 226, 410, 433, 452, 565, 820, 866, 1130, 1732, 2165, 2260, 4330, 4633, 8660, 9266, 17753, 18532, 23165, 35506, 46330, 48929, 71012, 88765, 92660, 97858, 177530, 195716, 244645, 355060, 489290, 978580, 2006089, 4012178, 8024356, 10030445, 20060890, 40121780]

約数ペア:

[(1, 40121780), (2, 20060890), (4, 10030445), (5, 8024356), (10, 4012178), (20, 2006089), (41, 978580), (82, 489290), (113, 355060), (164, 244645), (205, 195716), (226, 177530), (410, 97858), (433, 92660), (452, 88765), (565, 71012), (820, 48929), (866, 46330), (1130, 35506), (1732, 23165), (2165, 18532), (2260, 17753), (4330, 9266), (4633, 8660)]