71112800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8081}}^1$

素因数の和:8112

約数の個数: 72

約数和(自身を含む): 189409752

約数和(自身を除く): 118296952

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 4400, 8081, 8800, 16162, 32324, 40405, 64648, 80810, 88891, 129296, 161620, 177782, 202025, 258592, 323240, 355564, 404050, 444455, 646480, 711128, 808100, 888910, 1292960, 1422256, 1616200, 1777820, 2222275, 2844512, 3232400, 3555640, 4444550, 6464800, 7111280, 8889100, 14222560, 17778200, 35556400, 71112800]

約数ペア:

[(1, 71112800), (2, 35556400), (4, 17778200), (5, 14222560), (8, 8889100), (10, 7111280), (11, 6464800), (16, 4444550), (20, 3555640), (22, 3232400), (25, 2844512), (32, 2222275), (40, 1777820), (44, 1616200), (50, 1422256), (55, 1292960), (80, 888910), (88, 808100), (100, 711128), (110, 646480), (160, 444455), (176, 404050), (200, 355564), (220, 323240), (275, 258592), (352, 202025), (400, 177782), (440, 161620), (550, 129296), (800, 88891), (880, 80810), (1100, 64648), (1760, 40405), (2200, 32324), (4400, 16162), (8081, 8800)]