40910420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{541}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 91056000

約数和(自身を除く): 50145580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 199, 380, 398, 541, 796, 995, 1082, 1990, 2164, 2705, 3781, 3980, 5410, 7562, 10279, 10820, 15124, 18905, 20558, 37810, 41116, 51395, 75620, 102790, 107659, 205580, 215318, 430636, 538295, 1076590, 2045521, 2153180, 4091042, 8182084, 10227605, 20455210, 40910420]

約数ペア:

[(1, 40910420), (2, 20455210), (4, 10227605), (5, 8182084), (10, 4091042), (19, 2153180), (20, 2045521), (38, 1076590), (76, 538295), (95, 430636), (190, 215318), (199, 205580), (380, 107659), (398, 102790), (541, 75620), (796, 51395), (995, 41116), (1082, 37810), (1990, 20558), (2164, 18905), (2705, 15124), (3781, 10820), (3980, 10279), (5410, 7562)]