1301157040

素因数分解:

$2^4\times 5^1\times {\mathrm{16264463}}^1$

素因数の和:16264476

約数の個数: 20

約数和(自身を含む): 3025190304

約数和(自身を除く): 1724033264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16264463, 32528926, 65057852, 81322315, 130115704, 162644630, 260231408, 325289260, 650578520, 1301157040]

約数ペア:

[(1, 1301157040), (2, 650578520), (4, 325289260), (5, 260231408), (8, 162644630), (10, 130115704), (16, 81322315), (20, 65057852), (40, 32528926), (80, 16264463)]