130128520

素因数分解:

$2^3\times 5^1\times {\mathrm{601}}^1\times {\mathrm{5413}}^1$

素因数の和:6025

約数の個数: 32

約数和(自身を含む): 293330520

約数和(自身を除く): 163202000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 601, 1202, 2404, 3005, 4808, 5413, 6010, 10826, 12020, 21652, 24040, 27065, 43304, 54130, 108260, 216520, 3253213, 6506426, 13012852, 16266065, 26025704, 32532130, 65064260, 130128520]

約数ペア:

[(1, 130128520), (2, 65064260), (4, 32532130), (5, 26025704), (8, 16266065), (10, 13012852), (20, 6506426), (40, 3253213), (601, 216520), (1202, 108260), (2404, 54130), (3005, 43304), (4808, 27065), (5413, 24040), (6010, 21652), (10826, 12020)]