5145500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 11557728

約数和(自身を除く): 6412228

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 251, 410, 500, 502, 820, 1004, 1025, 1255, 2050, 2510, 4100, 5020, 5125, 6275, 10250, 10291, 12550, 20500, 20582, 25100, 31375, 41164, 51455, 62750, 102910, 125500, 205820, 257275, 514550, 1029100, 1286375, 2572750, 5145500]

約数ペア:

[(1, 5145500), (2, 2572750), (4, 1286375), (5, 1029100), (10, 514550), (20, 257275), (25, 205820), (41, 125500), (50, 102910), (82, 62750), (100, 51455), (125, 41164), (164, 31375), (205, 25100), (250, 20582), (251, 20500), (410, 12550), (500, 10291), (502, 10250), (820, 6275), (1004, 5125), (1025, 5020), (1255, 4100), (2050, 2510)]