15721480

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13553}}^1$

素因数の和:13593

約数の個数: 32

約数和(自身を含む): 36595800

約数和(自身を除く): 20874320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 13553, 27106, 54212, 67765, 108424, 135530, 271060, 393037, 542120, 786074, 1572148, 1965185, 3144296, 3930370, 7860740, 15721480]

約数ペア:

[(1, 15721480), (2, 7860740), (4, 3930370), (5, 3144296), (8, 1965185), (10, 1572148), (20, 786074), (29, 542120), (40, 393037), (58, 271060), (116, 135530), (145, 108424), (232, 67765), (290, 54212), (580, 27106), (1160, 13553)]