25720760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49463}}^1$

素因数の和:49487

約数の個数: 32

約数和(自身を含む): 62324640

約数和(自身を除く): 36603880

約数列:

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

約数ペア:

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