804517040

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127297}}^1$

素因数の和:127389

約数の個数: 40

約数和(自身を含む): 1894194240

約数和(自身を除く): 1089677200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 127297, 254594, 509188, 636485, 1018376, 1272970, 2036752, 2545940, 5091880, 10056463, 10183760, 20112926, 40225852, 50282315, 80451704, 100564630, 160903408, 201129260, 402258520, 804517040]

約数ペア:

[(1, 804517040), (2, 402258520), (4, 201129260), (5, 160903408), (8, 100564630), (10, 80451704), (16, 50282315), (20, 40225852), (40, 20112926), (79, 10183760), (80, 10056463), (158, 5091880), (316, 2545940), (395, 2036752), (632, 1272970), (790, 1018376), (1264, 636485), (1580, 509188), (3160, 254594), (6320, 127297)]