51441520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49463}}^1$

素因数の和:49489

約数の個数: 40

約数和(自身を含む): 128804256

約数和(自身を除く): 77362736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 49463, 98926, 197852, 247315, 395704, 494630, 643019, 791408, 989260, 1286038, 1978520, 2572076, 3215095, 3957040, 5144152, 6430190, 10288304, 12860380, 25720760, 51441520]

約数ペア:

[(1, 51441520), (2, 25720760), (4, 12860380), (5, 10288304), (8, 6430190), (10, 5144152), (13, 3957040), (16, 3215095), (20, 2572076), (26, 1978520), (40, 1286038), (52, 989260), (65, 791408), (80, 643019), (104, 494630), (130, 395704), (208, 247315), (260, 197852), (520, 98926), (1040, 49463)]