9234640

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1297}}^1$

素因数の和:1399

約数の個数: 40

約数和(自身を含む): 21728520

約数和(自身を除く): 12493880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1297, 1424, 1780, 2594, 3560, 5188, 6485, 7120, 10376, 12970, 20752, 25940, 51880, 103760, 115433, 230866, 461732, 577165, 923464, 1154330, 1846928, 2308660, 4617320, 9234640]

約数ペア:

[(1, 9234640), (2, 4617320), (4, 2308660), (5, 1846928), (8, 1154330), (10, 923464), (16, 577165), (20, 461732), (40, 230866), (80, 115433), (89, 103760), (178, 51880), (356, 25940), (445, 20752), (712, 12970), (890, 10376), (1297, 7120), (1424, 6485), (1780, 5188), (2594, 3560)]