216892880

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{6761}}^1$

素因数の和:7175

約数の個数: 40

約数和(自身を含む): 505608264

約数和(自身を除く): 288715384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 1604, 2005, 3208, 4010, 6416, 6761, 8020, 13522, 16040, 27044, 32080, 33805, 54088, 67610, 108176, 135220, 270440, 540880, 2711161, 5422322, 10844644, 13555805, 21689288, 27111610, 43378576, 54223220, 108446440, 216892880]

約数ペア:

[(1, 216892880), (2, 108446440), (4, 54223220), (5, 43378576), (8, 27111610), (10, 21689288), (16, 13555805), (20, 10844644), (40, 5422322), (80, 2711161), (401, 540880), (802, 270440), (1604, 135220), (2005, 108176), (3208, 67610), (4010, 54088), (6416, 33805), (6761, 32080), (8020, 27044), (13522, 16040)]