77820860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{299311}}^1$

素因数の和:299333

約数の個数: 24

約数和(自身を含む): 175995456

約数和(自身を除く): 98174596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 299311, 598622, 1197244, 1496555, 2993110, 3891043, 5986220, 7782086, 15564172, 19455215, 38910430, 77820860]

約数ペア:

[(1, 77820860), (2, 38910430), (4, 19455215), (5, 15564172), (10, 7782086), (13, 5986220), (20, 3891043), (26, 2993110), (52, 1496555), (65, 1197244), (130, 598622), (260, 299311)]