9989240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6091}}^1$

素因数の和:6143

約数の個数: 32

約数和(自身を含む): 23027760

約数和(自身を除く): 13038520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 6091, 12182, 24364, 30455, 48728, 60910, 121820, 243640, 249731, 499462, 998924, 1248655, 1997848, 2497310, 4994620, 9989240]

約数ペア:

[(1, 9989240), (2, 4994620), (4, 2497310), (5, 1997848), (8, 1248655), (10, 998924), (20, 499462), (40, 249731), (41, 243640), (82, 121820), (164, 60910), (205, 48728), (328, 30455), (410, 24364), (820, 12182), (1640, 6091)]