31085680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13399}}^1$

素因数の和:13441

約数の個数: 40

約数和(自身を含む): 74772000

約数和(自身を除く): 43686320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 13399, 26798, 53596, 66995, 107192, 133990, 214384, 267980, 388571, 535960, 777142, 1071920, 1554284, 1942855, 3108568, 3885710, 6217136, 7771420, 15542840, 31085680]

約数ペア:

[(1, 31085680), (2, 15542840), (4, 7771420), (5, 6217136), (8, 3885710), (10, 3108568), (16, 1942855), (20, 1554284), (29, 1071920), (40, 777142), (58, 535960), (80, 388571), (116, 267980), (145, 214384), (232, 133990), (290, 107192), (464, 66995), (580, 53596), (1160, 26798), (2320, 13399)]