1015820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3907}}^1$

素因数の和:3929

約数の個数: 24

約数和(自身を含む): 2297904

約数和(自身を除く): 1282084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3907, 7814, 15628, 19535, 39070, 50791, 78140, 101582, 203164, 253955, 507910, 1015820]

約数ペア:

[(1, 1015820), (2, 507910), (4, 253955), (5, 203164), (10, 101582), (13, 78140), (20, 50791), (26, 39070), (52, 19535), (65, 15628), (130, 7814), (260, 3907)]