2021781880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2197589}}^1$

素因数の和:2197623

約数の個数: 32

約数和(自身を含む): 4746794400

約数和(自身を除く): 2725012520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 2197589, 4395178, 8790356, 10987945, 17580712, 21975890, 43951780, 50544547, 87903560, 101089094, 202178188, 252722735, 404356376, 505445470, 1010890940, 2021781880]

約数ペア:

[(1, 2021781880), (2, 1010890940), (4, 505445470), (5, 404356376), (8, 252722735), (10, 202178188), (20, 101089094), (23, 87903560), (40, 50544547), (46, 43951780), (92, 21975890), (115, 17580712), (184, 10987945), (230, 8790356), (460, 4395178), (920, 2197589)]