5540840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1951}}^1$

素因数の和:2033

約数の個数: 32

約数和(自身を含む): 12648960

約数和(自身を除く): 7108120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1951, 2840, 3902, 7804, 9755, 15608, 19510, 39020, 78040, 138521, 277042, 554084, 692605, 1108168, 1385210, 2770420, 5540840]

約数ペア:

[(1, 5540840), (2, 2770420), (4, 1385210), (5, 1108168), (8, 692605), (10, 554084), (20, 277042), (40, 138521), (71, 78040), (142, 39020), (284, 19510), (355, 15608), (568, 9755), (710, 7804), (1420, 3902), (1951, 2840)]