90954820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{1031}}^1$

素因数の和:1452

約数の個数: 48

約数和(自身を含む): 209091456

約数和(自身を除く): 118136636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 401, 802, 1031, 1604, 2005, 2062, 4010, 4124, 4411, 5155, 8020, 8822, 10310, 11341, 17644, 20620, 22055, 22682, 44110, 45364, 56705, 88220, 113410, 226820, 413431, 826862, 1653724, 2067155, 4134310, 4547741, 8268620, 9095482, 18190964, 22738705, 45477410, 90954820]

約数ペア:

[(1, 90954820), (2, 45477410), (4, 22738705), (5, 18190964), (10, 9095482), (11, 8268620), (20, 4547741), (22, 4134310), (44, 2067155), (55, 1653724), (110, 826862), (220, 413431), (401, 226820), (802, 113410), (1031, 88220), (1604, 56705), (2005, 45364), (2062, 44110), (4010, 22682), (4124, 22055), (4411, 20620), (5155, 17644), (8020, 11341), (8822, 10310)]