72670840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{165161}}^1$

素因数の和:165183

約数の個数: 32

約数和(自身を含む): 178374960

約数和(自身を除く): 105704120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 165161, 330322, 660644, 825805, 1321288, 1651610, 1816771, 3303220, 3633542, 6606440, 7267084, 9083855, 14534168, 18167710, 36335420, 72670840]

約数ペア:

[(1, 72670840), (2, 36335420), (4, 18167710), (5, 14534168), (8, 9083855), (10, 7267084), (11, 6606440), (20, 3633542), (22, 3303220), (40, 1816771), (44, 1651610), (55, 1321288), (88, 825805), (110, 660644), (220, 330322), (440, 165161)]