31636040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 75116160

約数和(自身を除く): 43480120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 137, 184, 230, 251, 274, 460, 502, 548, 685, 920, 1004, 1096, 1255, 1370, 2008, 2510, 2740, 3151, 5020, 5480, 5773, 6302, 10040, 11546, 12604, 15755, 23092, 25208, 28865, 31510, 34387, 46184, 57730, 63020, 68774, 115460, 126040, 137548, 171935, 230920, 275096, 343870, 687740, 790901, 1375480, 1581802, 3163604, 3954505, 6327208, 7909010, 15818020, 31636040]

約数ペア:

[(1, 31636040), (2, 15818020), (4, 7909010), (5, 6327208), (8, 3954505), (10, 3163604), (20, 1581802), (23, 1375480), (40, 790901), (46, 687740), (92, 343870), (115, 275096), (137, 230920), (184, 171935), (230, 137548), (251, 126040), (274, 115460), (460, 68774), (502, 63020), (548, 57730), (685, 46184), (920, 34387), (1004, 31510), (1096, 28865), (1255, 25208), (1370, 23092), (2008, 15755), (2510, 12604), (2740, 11546), (3151, 10040), (5020, 6302), (5480, 5773)]