15881560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13691}}^1$

素因数の和:13731

約数の個数: 32

約数和(自身を含む): 36968400

約数和(自身を除く): 21086840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 13691, 27382, 54764, 68455, 109528, 136910, 273820, 397039, 547640, 794078, 1588156, 1985195, 3176312, 3970390, 7940780, 15881560]

約数ペア:

[(1, 15881560), (2, 7940780), (4, 3970390), (5, 3176312), (8, 1985195), (10, 1588156), (20, 794078), (29, 547640), (40, 397039), (58, 273820), (116, 136910), (145, 109528), (232, 68455), (290, 54764), (580, 27382), (1160, 13691)]