31410160

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1973}}^1$

素因数の和:2185

約数の個数: 40

約数和(自身を含む): 73432800

約数和(自身を除く): 42022640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1973, 1990, 3184, 3946, 3980, 7892, 7960, 9865, 15784, 15920, 19730, 31568, 39460, 78920, 157840, 392627, 785254, 1570508, 1963135, 3141016, 3926270, 6282032, 7852540, 15705080, 31410160]

約数ペア:

[(1, 31410160), (2, 15705080), (4, 7852540), (5, 6282032), (8, 3926270), (10, 3141016), (16, 1963135), (20, 1570508), (40, 785254), (80, 392627), (199, 157840), (398, 78920), (796, 39460), (995, 31568), (1592, 19730), (1973, 15920), (1990, 15784), (3184, 9865), (3946, 7960), (3980, 7892)]