42465540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54443}}^1$

素因数の和:54468

約数の個数: 48

約数和(自身を含む): 128052288

約数和(自身を除く): 85586748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 54443, 108886, 163329, 217772, 272215, 326658, 544430, 653316, 707759, 816645, 1088860, 1415518, 1633290, 2123277, 2831036, 3266580, 3538795, 4246554, 7077590, 8493108, 10616385, 14155180, 21232770, 42465540]

約数ペア:

[(1, 42465540), (2, 21232770), (3, 14155180), (4, 10616385), (5, 8493108), (6, 7077590), (10, 4246554), (12, 3538795), (13, 3266580), (15, 2831036), (20, 2123277), (26, 1633290), (30, 1415518), (39, 1088860), (52, 816645), (60, 707759), (65, 653316), (78, 544430), (130, 326658), (156, 272215), (195, 217772), (260, 163329), (390, 108886), (780, 54443)]