73280840

素因数分解:

$2^3\times 5^1\times {\mathrm{911}}^1\times {\mathrm{2011}}^1$

素因数の和:2933

約数の個数: 32

約数和(自身を含む): 165144960

約数和(自身を除く): 91864120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 911, 1822, 2011, 3644, 4022, 4555, 7288, 8044, 9110, 10055, 16088, 18220, 20110, 36440, 40220, 80440, 1832021, 3664042, 7328084, 9160105, 14656168, 18320210, 36640420, 73280840]

約数ペア:

[(1, 73280840), (2, 36640420), (4, 18320210), (5, 14656168), (8, 9160105), (10, 7328084), (20, 3664042), (40, 1832021), (911, 80440), (1822, 40220), (2011, 36440), (3644, 20110), (4022, 18220), (4555, 16088), (7288, 10055), (8044, 9110)]