80941390

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 147891744

約数和(自身を除く): 66950354

約数列:

[1, 2, 5, 10, 181, 197, 227, 362, 394, 454, 905, 985, 1135, 1810, 1970, 2270, 35657, 41087, 44719, 71314, 82174, 89438, 178285, 205435, 223595, 356570, 410870, 447190, 8094139, 16188278, 40470695, 80941390]

約数ペア:

[(1, 80941390), (2, 40470695), (5, 16188278), (10, 8094139), (181, 447190), (197, 410870), (227, 356570), (362, 223595), (394, 205435), (454, 178285), (905, 89438), (985, 82174), (1135, 71314), (1810, 44719), (1970, 41087), (2270, 35657)]