64161680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72911}}^1$

素因数の和:72935

約数の個数: 40

約数和(自身を含む): 162739584

約数和(自身を除く): 98577904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 72911, 145822, 291644, 364555, 583288, 729110, 802021, 1166576, 1458220, 1604042, 2916440, 3208084, 4010105, 5832880, 6416168, 8020210, 12832336, 16040420, 32080840, 64161680]

約数ペア:

[(1, 64161680), (2, 32080840), (4, 16040420), (5, 12832336), (8, 8020210), (10, 6416168), (11, 5832880), (16, 4010105), (20, 3208084), (22, 2916440), (40, 1604042), (44, 1458220), (55, 1166576), (80, 802021), (88, 729110), (110, 583288), (176, 364555), (220, 291644), (440, 145822), (880, 72911)]