260803160

素因数分解:

$2^3\times 5^1\times {\mathrm{6520079}}^1$

素因数の和:6520090

約数の個数: 16

約数和(自身を含む): 586807200

約数和(自身を除く): 326004040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6520079, 13040158, 26080316, 32600395, 52160632, 65200790, 130401580, 260803160]

約数ペア:

[(1, 260803160), (2, 130401580), (4, 65200790), (5, 52160632), (8, 32600395), (10, 26080316), (20, 13040158), (40, 6520079)]