50871201820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{311749}}^1$

素因数の和:311998

約数の個数: 48

約数和(自身を含む): 109985400000

約数和(自身を除く): 59114198180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 199, 205, 398, 410, 796, 820, 995, 1990, 3980, 8159, 16318, 32636, 40795, 81590, 163180, 311749, 623498, 1246996, 1558745, 3117490, 6234980, 12781709, 25563418, 51126836, 62038051, 63908545, 124076102, 127817090, 248152204, 255634180, 310190255, 620380510, 1240761020, 2543560091, 5087120182, 10174240364, 12717800455, 25435600910, 50871201820]

約数ペア:

[(1, 50871201820), (2, 25435600910), (4, 12717800455), (5, 10174240364), (10, 5087120182), (20, 2543560091), (41, 1240761020), (82, 620380510), (164, 310190255), (199, 255634180), (205, 248152204), (398, 127817090), (410, 124076102), (796, 63908545), (820, 62038051), (995, 51126836), (1990, 25563418), (3980, 12781709), (8159, 6234980), (16318, 3117490), (32636, 1558745), (40795, 1246996), (81590, 623498), (163180, 311749)]