81785390

素因数分解:

$2^1\times 5^1\times {\mathrm{859}}^1\times {\mathrm{9521}}^1$

素因数の和:10387

約数の個数: 16

約数和(自身を含む): 147400560

約数和(自身を除く): 65615170

約数列:

[1, 2, 5, 10, 859, 1718, 4295, 8590, 9521, 19042, 47605, 95210, 8178539, 16357078, 40892695, 81785390]

約数ペア:

[(1, 81785390), (2, 40892695), (5, 16357078), (10, 8178539), (859, 95210), (1718, 47605), (4295, 19042), (8590, 9521)]