31327280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9551}}^1$

素因数の和:9605

約数の個数: 40

約数和(自身を含む): 74620224

約数和(自身を除く): 43292944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 9551, 19102, 38204, 47755, 76408, 95510, 152816, 191020, 382040, 391591, 764080, 783182, 1566364, 1957955, 3132728, 3915910, 6265456, 7831820, 15663640, 31327280]

約数ペア:

[(1, 31327280), (2, 15663640), (4, 7831820), (5, 6265456), (8, 3915910), (10, 3132728), (16, 1957955), (20, 1566364), (40, 783182), (41, 764080), (80, 391591), (82, 382040), (164, 191020), (205, 152816), (328, 95510), (410, 76408), (656, 47755), (820, 38204), (1640, 19102), (3280, 9551)]