15542840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13399}}^1$

素因数の和:13439

約数の個数: 32

約数和(自身を含む): 36180000

約数和(自身を除く): 20637160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 13399, 26798, 53596, 66995, 107192, 133990, 267980, 388571, 535960, 777142, 1554284, 1942855, 3108568, 3885710, 7771420, 15542840]

約数ペア:

[(1, 15542840), (2, 7771420), (4, 3885710), (5, 3108568), (8, 1942855), (10, 1554284), (20, 777142), (29, 535960), (40, 388571), (58, 267980), (116, 133990), (145, 107192), (232, 66995), (290, 53596), (580, 26798), (1160, 13399)]