71246120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{161923}}^1$

素因数の和:161945

約数の個数: 32

約数和(自身を含む): 174877920

約数和(自身を除く): 103631800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 161923, 323846, 647692, 809615, 1295384, 1619230, 1781153, 3238460, 3562306, 6476920, 7124612, 8905765, 14249224, 17811530, 35623060, 71246120]

約数ペア:

[(1, 71246120), (2, 35623060), (4, 17811530), (5, 14249224), (8, 8905765), (10, 7124612), (11, 6476920), (20, 3562306), (22, 3238460), (40, 1781153), (44, 1619230), (55, 1295384), (88, 809615), (110, 647692), (220, 323846), (440, 161923)]